Home / 288,158.02-397,641.89-160,841.81

Finding the Fourth Proportional to 288,158.02, 397,641.89 and 160,841.81

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Solution

The fourth proportional to 288,158.02, 397,641.89 and 160,841.81 is: 221,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,158.02 : 397,641.89 = 160,841.81 : x
  2. Step 2: Convert to fraction form
    288,158.02/397,641.89 = 160,841.81/x
  3. Step 3: Cross multiply
    288,158.02x = 397,641.89 × 160,841.81
  4. Step 4: Simplify right side
    288,158.02x = 63,957,440,515.21
  5. Step 5: Solve for x
    x = 63,957,440,515.21/288,158.02
  6. Step 6: Final answer
    x = 221,952.67

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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.