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Finding the Fourth Proportional to 344,225.66, 515,590.80 and 166,359.68

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Solution

The fourth proportional to 344,225.66, 515,590.80 and 166,359.68 is: 249,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,225.66 : 515,590.80 = 166,359.68 : x
  2. Step 2: Convert to fraction form
    344,225.66/515,590.80 = 166,359.68/x
  3. Step 3: Cross multiply
    344,225.66x = 515,590.80 × 166,359.68
  4. Step 4: Simplify right side
    344,225.66x = 85,773,520,498.94
  5. Step 5: Solve for x
    x = 85,773,520,498.94/344,225.66
  6. Step 6: Final answer
    x = 249,178.17

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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.