Home / 366,968.48-550,480.05-130,280.40

Finding the Fourth Proportional to 366,968.48, 550,480.05 and 130,280.40

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Solution

The fourth proportional to 366,968.48, 550,480.05 and 130,280.40 is: 195,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,968.48 : 550,480.05 = 130,280.40 : x
  2. Step 2: Convert to fraction form
    366,968.48/550,480.05 = 130,280.40/x
  3. Step 3: Cross multiply
    366,968.48x = 550,480.05 × 130,280.40
  4. Step 4: Simplify right side
    366,968.48x = 71,716,761,106.02
  5. Step 5: Solve for x
    x = 71,716,761,106.02/366,968.48
  6. Step 6: Final answer
    x = 195,430.31

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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.