Home / 398,965.48-550,497.16-237,835.52

Finding the Fourth Proportional to 398,965.48, 550,497.16 and 237,835.52

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Solution

The fourth proportional to 398,965.48, 550,497.16 and 237,835.52 is: 328,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,965.48 : 550,497.16 = 237,835.52 : x
  2. Step 2: Convert to fraction form
    398,965.48/550,497.16 = 237,835.52/x
  3. Step 3: Cross multiply
    398,965.48x = 550,497.16 × 237,835.52
  4. Step 4: Simplify right side
    398,965.48x = 130,927,778,307.12
  5. Step 5: Solve for x
    x = 130,927,778,307.12/398,965.48
  6. Step 6: Final answer
    x = 328,168.19

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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.