Home / 243,038.30-364,557.45-136,312.70

Finding the Fourth Proportional to 243,038.30, 364,557.45 and 136,312.70

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Solution

The fourth proportional to 243,038.30, 364,557.45 and 136,312.70 is: 204,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,038.30 : 364,557.45 = 136,312.70 : x
  2. Step 2: Convert to fraction form
    243,038.30/364,557.45 = 136,312.70/x
  3. Step 3: Cross multiply
    243,038.30x = 364,557.45 × 136,312.70
  4. Step 4: Simplify right side
    243,038.30x = 49,693,810,314.62
  5. Step 5: Solve for x
    x = 49,693,810,314.62/243,038.30
  6. Step 6: Final answer
    x = 204,469.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.