Home / 386,701.18-580,073.93-102,384.34

Finding the Fourth Proportional to 386,701.18, 580,073.93 and 102,384.34

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Solution

The fourth proportional to 386,701.18, 580,073.93 and 102,384.34 is: 153,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,701.18 : 580,073.93 = 102,384.34 : x
  2. Step 2: Convert to fraction form
    386,701.18/580,073.93 = 102,384.34/x
  3. Step 3: Cross multiply
    386,701.18x = 580,073.93 × 102,384.34
  4. Step 4: Simplify right side
    386,701.18x = 59,390,486,474.26
  5. Step 5: Solve for x
    x = 59,390,486,474.26/386,701.18
  6. Step 6: Final answer
    x = 153,582.38

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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.