Home / 316,275.23-474,293.48-102,987.45

Finding the Fourth Proportional to 316,275.23, 474,293.48 and 102,987.45

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Solution

The fourth proportional to 316,275.23, 474,293.48 and 102,987.45 is: 154,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,275.23 : 474,293.48 = 102,987.45 : x
  2. Step 2: Convert to fraction form
    316,275.23/474,293.48 = 102,987.45/x
  3. Step 3: Cross multiply
    316,275.23x = 474,293.48 × 102,987.45
  4. Step 4: Simplify right side
    316,275.23x = 48,846,275,541.89
  5. Step 5: Solve for x
    x = 48,846,275,541.89/316,275.23
  6. Step 6: Final answer
    x = 154,442.30

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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.