Home / 315,648.23-473,679.50-115,970.27

Finding the Fourth Proportional to 315,648.23, 473,679.50 and 115,970.27

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Solution

The fourth proportional to 315,648.23, 473,679.50 and 115,970.27 is: 174,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,648.23 : 473,679.50 = 115,970.27 : x
  2. Step 2: Convert to fraction form
    315,648.23/473,679.50 = 115,970.27/x
  3. Step 3: Cross multiply
    315,648.23x = 473,679.50 × 115,970.27
  4. Step 4: Simplify right side
    315,648.23x = 54,932,736,560.22
  5. Step 5: Solve for x
    x = 54,932,736,560.22/315,648.23
  6. Step 6: Final answer
    x = 174,031.51

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1.5x scale

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.