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Finding the Fourth Proportional to 337,665.51, 506,854.77 and 330,041.42

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Solution

The fourth proportional to 337,665.51, 506,854.77 and 330,041.42 is: 495,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,665.51 : 506,854.77 = 330,041.42 : x
  2. Step 2: Convert to fraction form
    337,665.51/506,854.77 = 330,041.42/x
  3. Step 3: Cross multiply
    337,665.51x = 506,854.77 × 330,041.42
  4. Step 4: Simplify right side
    337,665.51x = 167,283,066,374.37
  5. Step 5: Solve for x
    x = 167,283,066,374.37/337,665.51
  6. Step 6: Final answer
    x = 495,410.58

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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.