Home / 486,148.77-670,885.32-268,357.50

Finding the Fourth Proportional to 486,148.77, 670,885.32 and 268,357.50

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Solution

The fourth proportional to 486,148.77, 670,885.32 and 268,357.50 is: 370,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,148.77 : 670,885.32 = 268,357.50 : x
  2. Step 2: Convert to fraction form
    486,148.77/670,885.32 = 268,357.50/x
  3. Step 3: Cross multiply
    486,148.77x = 670,885.32 × 268,357.50
  4. Step 4: Simplify right side
    486,148.77x = 180,037,107,261.90
  5. Step 5: Solve for x
    x = 180,037,107,261.90/486,148.77
  6. Step 6: Final answer
    x = 370,333.36

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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.