Home / 287,595.45-430,901.10-182,291.40

Finding the Fourth Proportional to 287,595.45, 430,901.10 and 182,291.40

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Solution

The fourth proportional to 287,595.45, 430,901.10 and 182,291.40 is: 273,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,595.45 : 430,901.10 = 182,291.40 : x
  2. Step 2: Convert to fraction form
    287,595.45/430,901.10 = 182,291.40/x
  3. Step 3: Cross multiply
    287,595.45x = 430,901.10 × 182,291.40
  4. Step 4: Simplify right side
    287,595.45x = 78,549,564,780.54
  5. Step 5: Solve for x
    x = 78,549,564,780.54/287,595.45
  6. Step 6: Final answer
    x = 273,125.20

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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.