Home / 434,181.70-651,279.27-153,502.66

Finding the Fourth Proportional to 434,181.70, 651,279.27 and 153,502.66

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Solution

The fourth proportional to 434,181.70, 651,279.27 and 153,502.66 is: 230,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,181.70 : 651,279.27 = 153,502.66 : x
  2. Step 2: Convert to fraction form
    434,181.70/651,279.27 = 153,502.66/x
  3. Step 3: Cross multiply
    434,181.70x = 651,279.27 × 153,502.66
  4. Step 4: Simplify right side
    434,181.70x = 99,973,100,347.86
  5. Step 5: Solve for x
    x = 99,973,100,347.86/434,181.70
  6. Step 6: Final answer
    x = 230,256.37

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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.