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Finding the Fourth Proportional to 286,384.24, 429,411.74 and 118,020.80

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Solution

The fourth proportional to 286,384.24, 429,411.74 and 118,020.80 is: 176,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,384.24 : 429,411.74 = 118,020.80 : x
  2. Step 2: Convert to fraction form
    286,384.24/429,411.74 = 118,020.80/x
  3. Step 3: Cross multiply
    286,384.24x = 429,411.74 × 118,020.80
  4. Step 4: Simplify right side
    286,384.24x = 50,679,517,084.19
  5. Step 5: Solve for x
    x = 50,679,517,084.19/286,384.24
  6. Step 6: Final answer
    x = 176,963.36

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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.