Home / 315,031.40-472,383.90-93,386.60

Finding the Fourth Proportional to 315,031.40, 472,383.90 and 93,386.60

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Solution

The fourth proportional to 315,031.40, 472,383.90 and 93,386.60 is: 140,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,031.40 : 472,383.90 = 93,386.60 : x
  2. Step 2: Convert to fraction form
    315,031.40/472,383.90 = 93,386.60/x
  3. Step 3: Cross multiply
    315,031.40x = 472,383.90 × 93,386.60
  4. Step 4: Simplify right side
    315,031.40x = 44,114,326,315.74
  5. Step 5: Solve for x
    x = 44,114,326,315.74/315,031.40
  6. Step 6: Final answer
    x = 140,031.52

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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.