Home / 284,298.04-392,328.60-156,974.52

Finding the Fourth Proportional to 284,298.04, 392,328.60 and 156,974.52

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Solution

The fourth proportional to 284,298.04, 392,328.60 and 156,974.52 is: 216,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.04 : 392,328.60 = 156,974.52 : x
  2. Step 2: Convert to fraction form
    284,298.04/392,328.60 = 156,974.52/x
  3. Step 3: Cross multiply
    284,298.04x = 392,328.60 × 156,974.52
  4. Step 4: Simplify right side
    284,298.04x = 61,585,593,667.27
  5. Step 5: Solve for x
    x = 61,585,593,667.27/284,298.04
  6. Step 6: Final answer
    x = 216,623.35

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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.