Home / 243,587.07-365,347.26-72,806.40

Finding the Fourth Proportional to 243,587.07, 365,347.26 and 72,806.40

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Solution

The fourth proportional to 243,587.07, 365,347.26 and 72,806.40 is: 109,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,587.07 : 365,347.26 = 72,806.40 : x
  2. Step 2: Convert to fraction form
    243,587.07/365,347.26 = 72,806.40/x
  3. Step 3: Cross multiply
    243,587.07x = 365,347.26 × 72,806.40
  4. Step 4: Simplify right side
    243,587.07x = 26,599,618,750.46
  5. Step 5: Solve for x
    x = 26,599,618,750.46/243,587.07
  6. Step 6: Final answer
    x = 109,199.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.