Home / 284,730.40-392,946.48-163,886.56

Finding the Fourth Proportional to 284,730.40, 392,946.48 and 163,886.56

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Solution

The fourth proportional to 284,730.40, 392,946.48 and 163,886.56 is: 226,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,730.40 : 392,946.48 = 163,886.56 : x
  2. Step 2: Convert to fraction form
    284,730.40/392,946.48 = 163,886.56/x
  3. Step 3: Cross multiply
    284,730.40x = 392,946.48 × 163,886.56
  4. Step 4: Simplify right side
    284,730.40x = 64,398,646,871.31
  5. Step 5: Solve for x
    x = 64,398,646,871.31/284,730.40
  6. Step 6: Final answer
    x = 226,174.12

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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.