Home / 282,672.06-390,094.83-155,351.00

Finding the Fourth Proportional to 282,672.06, 390,094.83 and 155,351.00

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Solution

The fourth proportional to 282,672.06, 390,094.83 and 155,351.00 is: 214,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,672.06 : 390,094.83 = 155,351.00 : x
  2. Step 2: Convert to fraction form
    282,672.06/390,094.83 = 155,351.00/x
  3. Step 3: Cross multiply
    282,672.06x = 390,094.83 × 155,351.00
  4. Step 4: Simplify right side
    282,672.06x = 60,601,619,984.86
  5. Step 5: Solve for x
    x = 60,601,619,984.86/282,672.06
  6. Step 6: Final answer
    x = 214,388.43

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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.