Home / 284,569.29-392,779.40-163,722.96

Finding the Fourth Proportional to 284,569.29, 392,779.40 and 163,722.96

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Solution

The fourth proportional to 284,569.29, 392,779.40 and 163,722.96 is: 225,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,569.29 : 392,779.40 = 163,722.96 : x
  2. Step 2: Convert to fraction form
    284,569.29/392,779.40 = 163,722.96/x
  3. Step 3: Cross multiply
    284,569.29x = 392,779.40 × 163,722.96
  4. Step 4: Simplify right side
    284,569.29x = 64,307,005,176.41
  5. Step 5: Solve for x
    x = 64,307,005,176.41/284,569.29
  6. Step 6: Final answer
    x = 225,980.13

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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.