Home / 482,929.98-666,431.10-265,137.57

Finding the Fourth Proportional to 482,929.98, 666,431.10 and 265,137.57

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Solution

The fourth proportional to 482,929.98, 666,431.10 and 265,137.57 is: 365,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,929.98 : 666,431.10 = 265,137.57 : x
  2. Step 2: Convert to fraction form
    482,929.98/666,431.10 = 265,137.57/x
  3. Step 3: Cross multiply
    482,929.98x = 666,431.10 × 265,137.57
  4. Step 4: Simplify right side
    482,929.98x = 176,695,922,426.43
  5. Step 5: Solve for x
    x = 176,695,922,426.43/482,929.98
  6. Step 6: Final answer
    x = 365,883.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.