Home / 315,962.20-473,021.70-306,746.20

Finding the Fourth Proportional to 315,962.20, 473,021.70 and 306,746.20

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Solution

The fourth proportional to 315,962.20, 473,021.70 and 306,746.20 is: 459,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,962.20 : 473,021.70 = 306,746.20 : x
  2. Step 2: Convert to fraction form
    315,962.20/473,021.70 = 306,746.20/x
  3. Step 3: Cross multiply
    315,962.20x = 473,021.70 × 306,746.20
  4. Step 4: Simplify right side
    315,962.20x = 145,097,608,992.54
  5. Step 5: Solve for x
    x = 145,097,608,992.54/315,962.20
  6. Step 6: Final answer
    x = 459,224.58

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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.