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Finding the Fourth Proportional to 340,299.98, 469,605.69 and 187,336.93

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Solution

The fourth proportional to 340,299.98, 469,605.69 and 187,336.93 is: 258,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,299.98 : 469,605.69 = 187,336.93 : x
  2. Step 2: Convert to fraction form
    340,299.98/469,605.69 = 187,336.93/x
  3. Step 3: Cross multiply
    340,299.98x = 469,605.69 × 187,336.93
  4. Step 4: Simplify right side
    340,299.98x = 87,974,488,275.13
  5. Step 5: Solve for x
    x = 87,974,488,275.13/340,299.98
  6. Step 6: Final answer
    x = 258,520.40

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1.5x scale

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.