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Finding the Fourth Proportional to 536,133.68, 740,030.54 and 345,147.06

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Solution

The fourth proportional to 536,133.68, 740,030.54 and 345,147.06 is: 476,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,133.68 : 740,030.54 = 345,147.06 : x
  2. Step 2: Convert to fraction form
    536,133.68/740,030.54 = 345,147.06/x
  3. Step 3: Cross multiply
    536,133.68x = 740,030.54 × 345,147.06
  4. Step 4: Simplify right side
    536,133.68x = 255,419,365,191.21
  5. Step 5: Solve for x
    x = 255,419,365,191.21/536,133.68
  6. Step 6: Final answer
    x = 476,409.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.