Home / 470,040.29-648,663.14-255,180.19

Finding the Fourth Proportional to 470,040.29, 648,663.14 and 255,180.19

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Solution

The fourth proportional to 470,040.29, 648,663.14 and 255,180.19 is: 352,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,040.29 : 648,663.14 = 255,180.19 : x
  2. Step 2: Convert to fraction form
    470,040.29/648,663.14 = 255,180.19/x
  3. Step 3: Cross multiply
    470,040.29x = 648,663.14 × 255,180.19
  4. Step 4: Simplify right side
    470,040.29x = 165,525,982,327.49
  5. Step 5: Solve for x
    x = 165,525,982,327.49/470,040.29
  6. Step 6: Final answer
    x = 352,152.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.