Home / 282,608.40-389,999.52-155,292.24

Finding the Fourth Proportional to 282,608.40, 389,999.52 and 155,292.24

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Solution

The fourth proportional to 282,608.40, 389,999.52 and 155,292.24 is: 214,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,608.40 : 389,999.52 = 155,292.24 : x
  2. Step 2: Convert to fraction form
    282,608.40/389,999.52 = 155,292.24/x
  3. Step 3: Cross multiply
    282,608.40x = 389,999.52 × 155,292.24
  4. Step 4: Simplify right side
    282,608.40x = 60,563,899,059.72
  5. Step 5: Solve for x
    x = 60,563,899,059.72/282,608.40
  6. Step 6: Final answer
    x = 214,303.25

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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.