Home / 315,945.90-473,918.85-245,087.10

Finding the Fourth Proportional to 315,945.90, 473,918.85 and 245,087.10

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Solution

The fourth proportional to 315,945.90, 473,918.85 and 245,087.10 is: 367,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,945.90 : 473,918.85 = 245,087.10 : x
  2. Step 2: Convert to fraction form
    315,945.90/473,918.85 = 245,087.10/x
  3. Step 3: Cross multiply
    315,945.90x = 473,918.85 × 245,087.10
  4. Step 4: Simplify right side
    315,945.90x = 116,151,396,581.84
  5. Step 5: Solve for x
    x = 116,151,396,581.84/315,945.90
  6. Step 6: Final answer
    x = 367,630.65

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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.