Home / 315,386.26-473,074.93-146,812.30

Finding the Fourth Proportional to 315,386.26, 473,074.93 and 146,812.30

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Solution

The fourth proportional to 315,386.26, 473,074.93 and 146,812.30 is: 220,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,386.26 : 473,074.93 = 146,812.30 : x
  2. Step 2: Convert to fraction form
    315,386.26/473,074.93 = 146,812.30/x
  3. Step 3: Cross multiply
    315,386.26x = 473,074.93 × 146,812.30
  4. Step 4: Simplify right side
    315,386.26x = 69,453,217,546.47
  5. Step 5: Solve for x
    x = 69,453,217,546.47/315,386.26
  6. Step 6: Final answer
    x = 220,216.37

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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.