Home / 380,899.72-571,461.36-170,490.88

Finding the Fourth Proportional to 380,899.72, 571,461.36 and 170,490.88

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Solution

The fourth proportional to 380,899.72, 571,461.36 and 170,490.88 is: 255,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,899.72 : 571,461.36 = 170,490.88 : x
  2. Step 2: Convert to fraction form
    380,899.72/571,461.36 = 170,490.88/x
  3. Step 3: Cross multiply
    380,899.72x = 571,461.36 × 170,490.88
  4. Step 4: Simplify right side
    380,899.72x = 97,428,950,152.40
  5. Step 5: Solve for x
    x = 97,428,950,152.40/380,899.72
  6. Step 6: Final answer
    x = 255,786.35

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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.