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Finding the Fourth Proportional to 450,156.80, 675,040.80 and 225,430.40

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Solution

The fourth proportional to 450,156.80, 675,040.80 and 225,430.40 is: 338,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,156.80 : 675,040.80 = 225,430.40 : x
  2. Step 2: Convert to fraction form
    450,156.80/675,040.80 = 225,430.40/x
  3. Step 3: Cross multiply
    450,156.80x = 675,040.80 × 225,430.40
  4. Step 4: Simplify right side
    450,156.80x = 152,174,717,560.32
  5. Step 5: Solve for x
    x = 152,174,717,560.32/450,156.80
  6. Step 6: Final answer
    x = 338,048.25

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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.