Home / 287,673.04-397,002.24-160,349.56

Finding the Fourth Proportional to 287,673.04, 397,002.24 and 160,349.56

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Solution

The fourth proportional to 287,673.04, 397,002.24 and 160,349.56 is: 221,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,673.04 : 397,002.24 = 160,349.56 : x
  2. Step 2: Convert to fraction form
    287,673.04/397,002.24 = 160,349.56/x
  3. Step 3: Cross multiply
    287,673.04x = 397,002.24 × 160,349.56
  4. Step 4: Simplify right side
    287,673.04x = 63,659,134,503.01
  5. Step 5: Solve for x
    x = 63,659,134,503.01/287,673.04
  6. Step 6: Final answer
    x = 221,289.89

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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.