Home / 278,331.09-417,164.40-152,003.07

Finding the Fourth Proportional to 278,331.09, 417,164.40 and 152,003.07

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Solution

The fourth proportional to 278,331.09, 417,164.40 and 152,003.07 is: 227,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,331.09 : 417,164.40 = 152,003.07 : x
  2. Step 2: Convert to fraction form
    278,331.09/417,164.40 = 152,003.07/x
  3. Step 3: Cross multiply
    278,331.09x = 417,164.40 × 152,003.07
  4. Step 4: Simplify right side
    278,331.09x = 63,410,269,494.71
  5. Step 5: Solve for x
    x = 63,410,269,494.71/278,331.09
  6. Step 6: Final answer
    x = 227,823.16

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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.