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Finding the Fourth Proportional to 364,035.80, 546,053.70 and 287,928.20

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Solution

The fourth proportional to 364,035.80, 546,053.70 and 287,928.20 is: 431,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,035.80 : 546,053.70 = 287,928.20 : x
  2. Step 2: Convert to fraction form
    364,035.80/546,053.70 = 287,928.20/x
  3. Step 3: Cross multiply
    364,035.80x = 546,053.70 × 287,928.20
  4. Step 4: Simplify right side
    364,035.80x = 157,224,258,944.34
  5. Step 5: Solve for x
    x = 157,224,258,944.34/364,035.80
  6. Step 6: Final answer
    x = 431,892.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.