Home / 385,550.66-577,925.04-149,055.77

Finding the Fourth Proportional to 385,550.66, 577,925.04 and 149,055.77

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Solution

The fourth proportional to 385,550.66, 577,925.04 and 149,055.77 is: 223,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,550.66 : 577,925.04 = 149,055.77 : x
  2. Step 2: Convert to fraction form
    385,550.66/577,925.04 = 149,055.77/x
  3. Step 3: Cross multiply
    385,550.66x = 577,925.04 × 149,055.77
  4. Step 4: Simplify right side
    385,550.66x = 86,143,061,839.48
  5. Step 5: Solve for x
    x = 86,143,061,839.48/385,550.66
  6. Step 6: Final answer
    x = 223,428.65

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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.