Home / 287,918.34-397,327.14-160,593.90

Finding the Fourth Proportional to 287,918.34, 397,327.14 and 160,593.90

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Solution

The fourth proportional to 287,918.34, 397,327.14 and 160,593.90 is: 221,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,918.34 : 397,327.14 = 160,593.90 : x
  2. Step 2: Convert to fraction form
    287,918.34/397,327.14 = 160,593.90/x
  3. Step 3: Cross multiply
    287,918.34x = 397,327.14 × 160,593.90
  4. Step 4: Simplify right side
    287,918.34x = 63,808,314,988.45
  5. Step 5: Solve for x
    x = 63,808,314,988.45/287,918.34
  6. Step 6: Final answer
    x = 221,619.49

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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.