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Finding the Fourth Proportional to 374,497.10, 560,870.85 and 366,980.30

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Solution

The fourth proportional to 374,497.10, 560,870.85 and 366,980.30 is: 549,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,497.10 : 560,870.85 = 366,980.30 : x
  2. Step 2: Convert to fraction form
    374,497.10/560,870.85 = 366,980.30/x
  3. Step 3: Cross multiply
    374,497.10x = 560,870.85 × 366,980.30
  4. Step 4: Simplify right side
    374,497.10x = 205,828,552,794.26
  5. Step 5: Solve for x
    x = 205,828,552,794.26/374,497.10
  6. Step 6: Final answer
    x = 549,613.21

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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.