Home / 288,041.47-397,496.99-160,717.06

Finding the Fourth Proportional to 288,041.47, 397,496.99 and 160,717.06

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Solution

The fourth proportional to 288,041.47, 397,496.99 and 160,717.06 is: 221,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,041.47 : 397,496.99 = 160,717.06 : x
  2. Step 2: Convert to fraction form
    288,041.47/397,496.99 = 160,717.06/x
  3. Step 3: Cross multiply
    288,041.47x = 397,496.99 × 160,717.06
  4. Step 4: Simplify right side
    288,041.47x = 63,884,547,586.28
  5. Step 5: Solve for x
    x = 63,884,547,586.28/288,041.47
  6. Step 6: Final answer
    x = 221,789.41

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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.