Home / 438,070.50-604,558.35-247,079.52

Finding the Fourth Proportional to 438,070.50, 604,558.35 and 247,079.52

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Solution

The fourth proportional to 438,070.50, 604,558.35 and 247,079.52 is: 340,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,070.50 : 604,558.35 = 247,079.52 : x
  2. Step 2: Convert to fraction form
    438,070.50/604,558.35 = 247,079.52/x
  3. Step 3: Cross multiply
    438,070.50x = 604,558.35 × 247,079.52
  4. Step 4: Simplify right side
    438,070.50x = 149,373,986,929.99
  5. Step 5: Solve for x
    x = 149,373,986,929.99/438,070.50
  6. Step 6: Final answer
    x = 340,981.62

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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.