Home / 284,239.46-392,248.04-156,912.32

Finding the Fourth Proportional to 284,239.46, 392,248.04 and 156,912.32

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Solution

The fourth proportional to 284,239.46, 392,248.04 and 156,912.32 is: 216,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,239.46 : 392,248.04 = 156,912.32 : x
  2. Step 2: Convert to fraction form
    284,239.46/392,248.04 = 156,912.32/x
  3. Step 3: Cross multiply
    284,239.46x = 392,248.04 × 156,912.32
  4. Step 4: Simplify right side
    284,239.46x = 61,548,549,971.85
  5. Step 5: Solve for x
    x = 61,548,549,971.85/284,239.46
  6. Step 6: Final answer
    x = 216,537.67

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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.