Home / 350,120.72-525,323.64-163,017.20

Finding the Fourth Proportional to 350,120.72, 525,323.64 and 163,017.20

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Solution

The fourth proportional to 350,120.72, 525,323.64 and 163,017.20 is: 244,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,120.72 : 525,323.64 = 163,017.20 : x
  2. Step 2: Convert to fraction form
    350,120.72/525,323.64 = 163,017.20/x
  3. Step 3: Cross multiply
    350,120.72x = 525,323.64 × 163,017.20
  4. Step 4: Simplify right side
    350,120.72x = 85,636,788,886.61
  5. Step 5: Solve for x
    x = 85,636,788,886.61/350,120.72
  6. Step 6: Final answer
    x = 244,592.18

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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.