Home / 306,559.08-423,044.70-170,587.86

Finding the Fourth Proportional to 306,559.08, 423,044.70 and 170,587.86

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Solution

The fourth proportional to 306,559.08, 423,044.70 and 170,587.86 is: 235,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,559.08 : 423,044.70 = 170,587.86 : x
  2. Step 2: Convert to fraction form
    306,559.08/423,044.70 = 170,587.86/x
  3. Step 3: Cross multiply
    306,559.08x = 423,044.70 × 170,587.86
  4. Step 4: Simplify right side
    306,559.08x = 72,166,290,057.34
  5. Step 5: Solve for x
    x = 72,166,290,057.34/306,559.08
  6. Step 6: Final answer
    x = 235,407.45

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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.