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Finding the Fourth Proportional to 360,246.32, 497,158.80 and 207,307.80

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Solution

The fourth proportional to 360,246.32, 497,158.80 and 207,307.80 is: 286,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,246.32 : 497,158.80 = 207,307.80 : x
  2. Step 2: Convert to fraction form
    360,246.32/497,158.80 = 207,307.80/x
  3. Step 3: Cross multiply
    360,246.32x = 497,158.80 × 207,307.80
  4. Step 4: Simplify right side
    360,246.32x = 103,064,897,078.64
  5. Step 5: Solve for x
    x = 103,064,897,078.64/360,246.32
  6. Step 6: Final answer
    x = 286,095.63

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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.