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Finding the Fourth Proportional to 229,368.69, 316,510.65 and 127,384.29

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Solution

The fourth proportional to 229,368.69, 316,510.65 and 127,384.29 is: 175,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,368.69 : 316,510.65 = 127,384.29 : x
  2. Step 2: Convert to fraction form
    229,368.69/316,510.65 = 127,384.29/x
  3. Step 3: Cross multiply
    229,368.69x = 316,510.65 × 127,384.29
  4. Step 4: Simplify right side
    229,368.69x = 40,318,484,427.69
  5. Step 5: Solve for x
    x = 40,318,484,427.69/229,368.69
  6. Step 6: Final answer
    x = 175,780.24

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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.