Home / 388,341.60-582,595.56-219,941.52

Finding the Fourth Proportional to 388,341.60, 582,595.56 and 219,941.52

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Solution

The fourth proportional to 388,341.60, 582,595.56 and 219,941.52 is: 329,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,341.60 : 582,595.56 = 219,941.52 : x
  2. Step 2: Convert to fraction form
    388,341.60/582,595.56 = 219,941.52/x
  3. Step 3: Cross multiply
    388,341.60x = 582,595.56 × 219,941.52
  4. Step 4: Simplify right side
    388,341.60x = 128,136,953,011.65
  5. Step 5: Solve for x
    x = 128,136,953,011.65/388,341.60
  6. Step 6: Final answer
    x = 329,959.38

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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.