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Finding the Fourth Proportional to 240,971.89, 360,883.27 and 139,555.66

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Solution

The fourth proportional to 240,971.89, 360,883.27 and 139,555.66 is: 209,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,971.89 : 360,883.27 = 139,555.66 : x
  2. Step 2: Convert to fraction form
    240,971.89/360,883.27 = 139,555.66/x
  3. Step 3: Cross multiply
    240,971.89x = 360,883.27 × 139,555.66
  4. Step 4: Simplify right side
    240,971.89x = 50,363,302,927.81
  5. Step 5: Solve for x
    x = 50,363,302,927.81/240,971.89
  6. Step 6: Final answer
    x = 209,000.74

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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.