Home / 288,170.42-397,681.17-160,851.38

Finding the Fourth Proportional to 288,170.42, 397,681.17 and 160,851.38

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Solution

The fourth proportional to 288,170.42, 397,681.17 and 160,851.38 is: 221,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,170.42 : 397,681.17 = 160,851.38 : x
  2. Step 2: Convert to fraction form
    288,170.42/397,681.17 = 160,851.38/x
  3. Step 3: Cross multiply
    288,170.42x = 397,681.17 × 160,851.38
  4. Step 4: Simplify right side
    288,170.42x = 63,967,564,994.51
  5. Step 5: Solve for x
    x = 63,967,564,994.51/288,170.42
  6. Step 6: Final answer
    x = 221,978.25

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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.