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Finding the Fourth Proportional to 472,245.19, 651,713.54 and 268,292.38

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Solution

The fourth proportional to 472,245.19, 651,713.54 and 268,292.38 is: 370,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,245.19 : 651,713.54 = 268,292.38 : x
  2. Step 2: Convert to fraction form
    472,245.19/651,713.54 = 268,292.38/x
  3. Step 3: Cross multiply
    472,245.19x = 651,713.54 × 268,292.38
  4. Step 4: Simplify right side
    472,245.19x = 174,849,776,724.83
  5. Step 5: Solve for x
    x = 174,849,776,724.83/472,245.19
  6. Step 6: Final answer
    x = 370,252.11

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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.