Home / 434,663.93-651,992.34-135,143.93

Finding the Fourth Proportional to 434,663.93, 651,992.34 and 135,143.93

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Solution

The fourth proportional to 434,663.93, 651,992.34 and 135,143.93 is: 202,714.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,663.93 : 651,992.34 = 135,143.93 : x
  2. Step 2: Convert to fraction form
    434,663.93/651,992.34 = 135,143.93/x
  3. Step 3: Cross multiply
    434,663.93x = 651,992.34 × 135,143.93
  4. Step 4: Simplify right side
    434,663.93x = 88,112,807,157.50
  5. Step 5: Solve for x
    x = 88,112,807,157.50/434,663.93
  6. Step 6: Final answer
    x = 202,714.79

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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.