Home / 542,475.02-813,746.36-143,116.17

Finding the Fourth Proportional to 542,475.02, 813,746.36 and 143,116.17

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Solution

The fourth proportional to 542,475.02, 813,746.36 and 143,116.17 is: 214,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,475.02 : 813,746.36 = 143,116.17 : x
  2. Step 2: Convert to fraction form
    542,475.02/813,746.36 = 143,116.17/x
  3. Step 3: Cross multiply
    542,475.02x = 813,746.36 × 143,116.17
  4. Step 4: Simplify right side
    542,475.02x = 116,460,265,267.30
  5. Step 5: Solve for x
    x = 116,460,265,267.30/542,475.02
  6. Step 6: Final answer
    x = 214,683.19

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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.