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Finding the Fourth Proportional to 251,302.76, 346,800.48 and 136,581.40

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Solution

The fourth proportional to 251,302.76, 346,800.48 and 136,581.40 is: 188,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,302.76 : 346,800.48 = 136,581.40 : x
  2. Step 2: Convert to fraction form
    251,302.76/346,800.48 = 136,581.40/x
  3. Step 3: Cross multiply
    251,302.76x = 346,800.48 × 136,581.40
  4. Step 4: Simplify right side
    251,302.76x = 47,366,495,079.07
  5. Step 5: Solve for x
    x = 47,366,495,079.07/251,302.76
  6. Step 6: Final answer
    x = 188,483.78

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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.