Home / 288,044.48-397,501.13-160,720.07

Finding the Fourth Proportional to 288,044.48, 397,501.13 and 160,720.07

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Solution

The fourth proportional to 288,044.48, 397,501.13 and 160,720.07 is: 221,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,044.48 : 397,501.13 = 160,720.07 : x
  2. Step 2: Convert to fraction form
    288,044.48/397,501.13 = 160,720.07/x
  3. Step 3: Cross multiply
    288,044.48x = 397,501.13 × 160,720.07
  4. Step 4: Simplify right side
    288,044.48x = 63,886,406,647.57
  5. Step 5: Solve for x
    x = 63,886,406,647.57/288,044.48
  6. Step 6: Final answer
    x = 221,793.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.