Home / 315,525.40-473,288.10-197,330.20

Finding the Fourth Proportional to 315,525.40, 473,288.10 and 197,330.20

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Solution

The fourth proportional to 315,525.40, 473,288.10 and 197,330.20 is: 295,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,525.40 : 473,288.10 = 197,330.20 : x
  2. Step 2: Convert to fraction form
    315,525.40/473,288.10 = 197,330.20/x
  3. Step 3: Cross multiply
    315,525.40x = 473,288.10 × 197,330.20
  4. Step 4: Simplify right side
    315,525.40x = 93,394,035,430.62
  5. Step 5: Solve for x
    x = 93,394,035,430.62/315,525.40
  6. Step 6: Final answer
    x = 295,995.30

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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.