Home / 345,462.02-518,193.03-134,952.34

Finding the Fourth Proportional to 345,462.02, 518,193.03 and 134,952.34

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Solution

The fourth proportional to 345,462.02, 518,193.03 and 134,952.34 is: 202,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,462.02 : 518,193.03 = 134,952.34 : x
  2. Step 2: Convert to fraction form
    345,462.02/518,193.03 = 134,952.34/x
  3. Step 3: Cross multiply
    345,462.02x = 518,193.03 × 134,952.34
  4. Step 4: Simplify right side
    345,462.02x = 69,931,361,970.19
  5. Step 5: Solve for x
    x = 69,931,361,970.19/345,462.02
  6. Step 6: Final answer
    x = 202,428.51

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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.