Home / 287,076.24-430,649.60-97,567.83

Finding the Fourth Proportional to 287,076.24, 430,649.60 and 97,567.83

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Solution

The fourth proportional to 287,076.24, 430,649.60 and 97,567.83 is: 146,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,076.24 : 430,649.60 = 97,567.83 : x
  2. Step 2: Convert to fraction form
    287,076.24/430,649.60 = 97,567.83/x
  3. Step 3: Cross multiply
    287,076.24x = 430,649.60 × 97,567.83
  4. Step 4: Simplify right side
    287,076.24x = 42,017,546,474.53
  5. Step 5: Solve for x
    x = 42,017,546,474.53/287,076.24
  6. Step 6: Final answer
    x = 146,363.72

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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.