Home / 292,442.80-438,664.20-197,964.40

Finding the Fourth Proportional to 292,442.80, 438,664.20 and 197,964.40

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Solution

The fourth proportional to 292,442.80, 438,664.20 and 197,964.40 is: 296,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,442.80 : 438,664.20 = 197,964.40 : x
  2. Step 2: Convert to fraction form
    292,442.80/438,664.20 = 197,964.40/x
  3. Step 3: Cross multiply
    292,442.80x = 438,664.20 × 197,964.40
  4. Step 4: Simplify right side
    292,442.80x = 86,839,895,154.48
  5. Step 5: Solve for x
    x = 86,839,895,154.48/292,442.80
  6. Step 6: Final answer
    x = 296,946.60

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1.5x scale

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.