Home / 340,554.02-469,964.40-197,397.02

Finding the Fourth Proportional to 340,554.02, 469,964.40 and 197,397.02

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Solution

The fourth proportional to 340,554.02, 469,964.40 and 197,397.02 is: 272,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,554.02 : 469,964.40 = 197,397.02 : x
  2. Step 2: Convert to fraction form
    340,554.02/469,964.40 = 197,397.02/x
  3. Step 3: Cross multiply
    340,554.02x = 469,964.40 × 197,397.02
  4. Step 4: Simplify right side
    340,554.02x = 92,769,572,066.09
  5. Step 5: Solve for x
    x = 92,769,572,066.09/340,554.02
  6. Step 6: Final answer
    x = 272,407.80

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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.