Home / 385,039.60-577,347.98-118,726.18

Finding the Fourth Proportional to 385,039.60, 577,347.98 and 118,726.18

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Solution

The fourth proportional to 385,039.60, 577,347.98 and 118,726.18 is: 178,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,039.60 : 577,347.98 = 118,726.18 : x
  2. Step 2: Convert to fraction form
    385,039.60/577,347.98 = 118,726.18/x
  3. Step 3: Cross multiply
    385,039.60x = 577,347.98 × 118,726.18
  4. Step 4: Simplify right side
    385,039.60x = 68,546,317,309.38
  5. Step 5: Solve for x
    x = 68,546,317,309.38/385,039.60
  6. Step 6: Final answer
    x = 178,024.07

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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.