Home / 338,156.02-507,181.56-148,574.62

Finding the Fourth Proportional to 338,156.02, 507,181.56 and 148,574.62

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Solution

The fourth proportional to 338,156.02, 507,181.56 and 148,574.62 is: 222,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,156.02 : 507,181.56 = 148,574.62 : x
  2. Step 2: Convert to fraction form
    338,156.02/507,181.56 = 148,574.62/x
  3. Step 3: Cross multiply
    338,156.02x = 507,181.56 × 148,574.62
  4. Step 4: Simplify right side
    338,156.02x = 75,354,307,548.01
  5. Step 5: Solve for x
    x = 75,354,307,548.01/338,156.02
  6. Step 6: Final answer
    x = 222,838.88

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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.