Home / 395,285.12-592,502.40-170,751.20

Finding the Fourth Proportional to 395,285.12, 592,502.40 and 170,751.20

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Solution

The fourth proportional to 395,285.12, 592,502.40 and 170,751.20 is: 255,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,285.12 : 592,502.40 = 170,751.20 : x
  2. Step 2: Convert to fraction form
    395,285.12/592,502.40 = 170,751.20/x
  3. Step 3: Cross multiply
    395,285.12x = 592,502.40 × 170,751.20
  4. Step 4: Simplify right side
    395,285.12x = 101,170,495,802.88
  5. Step 5: Solve for x
    x = 101,170,495,802.88/395,285.12
  6. Step 6: Final answer
    x = 255,943.09

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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.