Home / 287,973.28-397,482.17-167,153.49

Finding the Fourth Proportional to 287,973.28, 397,482.17 and 167,153.49

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Solution

The fourth proportional to 287,973.28, 397,482.17 and 167,153.49 is: 230,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,973.28 : 397,482.17 = 167,153.49 : x
  2. Step 2: Convert to fraction form
    287,973.28/397,482.17 = 167,153.49/x
  3. Step 3: Cross multiply
    287,973.28x = 397,482.17 × 167,153.49
  4. Step 4: Simplify right side
    287,973.28x = 66,440,531,928.27
  5. Step 5: Solve for x
    x = 66,440,531,928.27/287,973.28
  6. Step 6: Final answer
    x = 230,717.70

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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.