Home / 380,921.84-571,360.08-170,503.28

Finding the Fourth Proportional to 380,921.84, 571,360.08 and 170,503.28

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Solution

The fourth proportional to 380,921.84, 571,360.08 and 170,503.28 is: 255,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,921.84 : 571,360.08 = 170,503.28 : x
  2. Step 2: Convert to fraction form
    380,921.84/571,360.08 = 170,503.28/x
  3. Step 3: Cross multiply
    380,921.84x = 571,360.08 × 170,503.28
  4. Step 4: Simplify right side
    380,921.84x = 97,418,767,701.06
  5. Step 5: Solve for x
    x = 97,418,767,701.06/380,921.84
  6. Step 6: Final answer
    x = 255,744.77

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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.