Home / 287,293.32-430,939.98-146,975.40

Finding the Fourth Proportional to 287,293.32, 430,939.98 and 146,975.40

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Solution

The fourth proportional to 287,293.32, 430,939.98 and 146,975.40 is: 220,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,293.32 : 430,939.98 = 146,975.40 : x
  2. Step 2: Convert to fraction form
    287,293.32/430,939.98 = 146,975.40/x
  3. Step 3: Cross multiply
    287,293.32x = 430,939.98 × 146,975.40
  4. Step 4: Simplify right side
    287,293.32x = 63,337,575,936.49
  5. Step 5: Solve for x
    x = 63,337,575,936.49/287,293.32
  6. Step 6: Final answer
    x = 220,463.10

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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.