Home / 240,386.36-360,663.17-90,669.60

Finding the Fourth Proportional to 240,386.36, 360,663.17 and 90,669.60

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Solution

The fourth proportional to 240,386.36, 360,663.17 and 90,669.60 is: 136,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,386.36 : 360,663.17 = 90,669.60 : x
  2. Step 2: Convert to fraction form
    240,386.36/360,663.17 = 90,669.60/x
  3. Step 3: Cross multiply
    240,386.36x = 360,663.17 × 90,669.60
  4. Step 4: Simplify right side
    240,386.36x = 32,701,184,905.28
  5. Step 5: Solve for x
    x = 32,701,184,905.28/240,386.36
  6. Step 6: Final answer
    x = 136,035.94

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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.