Home / 248,828.20-373,242.30-155,386.60

Finding the Fourth Proportional to 248,828.20, 373,242.30 and 155,386.60

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Solution

The fourth proportional to 248,828.20, 373,242.30 and 155,386.60 is: 233,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,828.20 : 373,242.30 = 155,386.60 : x
  2. Step 2: Convert to fraction form
    248,828.20/373,242.30 = 155,386.60/x
  3. Step 3: Cross multiply
    248,828.20x = 373,242.30 × 155,386.60
  4. Step 4: Simplify right side
    248,828.20x = 57,996,851,973.18
  5. Step 5: Solve for x
    x = 57,996,851,973.18/248,828.20
  6. Step 6: Final answer
    x = 233,079.90

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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.