Home / 279,700.93-385,973.86-158,826.25

Finding the Fourth Proportional to 279,700.93, 385,973.86 and 158,826.25

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Solution

The fourth proportional to 279,700.93, 385,973.86 and 158,826.25 is: 219,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,700.93 : 385,973.86 = 158,826.25 : x
  2. Step 2: Convert to fraction form
    279,700.93/385,973.86 = 158,826.25/x
  3. Step 3: Cross multiply
    279,700.93x = 385,973.86 × 158,826.25
  4. Step 4: Simplify right side
    279,700.93x = 61,302,781,165.03
  5. Step 5: Solve for x
    x = 61,302,781,165.03/279,700.93
  6. Step 6: Final answer
    x = 219,172.60

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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.