Home / 287,677.04-397,007.76-160,353.56

Finding the Fourth Proportional to 287,677.04, 397,007.76 and 160,353.56

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Solution

The fourth proportional to 287,677.04, 397,007.76 and 160,353.56 is: 221,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,677.04 : 397,007.76 = 160,353.56 : x
  2. Step 2: Convert to fraction form
    287,677.04/397,007.76 = 160,353.56/x
  3. Step 3: Cross multiply
    287,677.04x = 397,007.76 × 160,353.56
  4. Step 4: Simplify right side
    287,677.04x = 63,661,607,663.63
  5. Step 5: Solve for x
    x = 63,661,607,663.63/287,677.04
  6. Step 6: Final answer
    x = 221,295.41

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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.