Home / 386,095.60-579,316.20-175,625.20

Finding the Fourth Proportional to 386,095.60, 579,316.20 and 175,625.20

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Solution

The fourth proportional to 386,095.60, 579,316.20 and 175,625.20 is: 263,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,095.60 : 579,316.20 = 175,625.20 : x
  2. Step 2: Convert to fraction form
    386,095.60/579,316.20 = 175,625.20/x
  3. Step 3: Cross multiply
    386,095.60x = 579,316.20 × 175,625.20
  4. Step 4: Simplify right side
    386,095.60x = 101,742,523,488.24
  5. Step 5: Solve for x
    x = 101,742,523,488.24/386,095.60
  6. Step 6: Final answer
    x = 263,516.40

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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.