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Finding the Fourth Proportional to 340,799.04, 510,633.42 and 207,275.40

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Solution

The fourth proportional to 340,799.04, 510,633.42 and 207,275.40 is: 310,569.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,799.04 : 510,633.42 = 207,275.40 : x
  2. Step 2: Convert to fraction form
    340,799.04/510,633.42 = 207,275.40/x
  3. Step 3: Cross multiply
    340,799.04x = 510,633.42 × 207,275.40
  4. Step 4: Simplify right side
    340,799.04x = 105,841,746,383.87
  5. Step 5: Solve for x
    x = 105,841,746,383.87/340,799.04
  6. Step 6: Final answer
    x = 310,569.38

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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.