Home / 285,848.61-394,461.16-158,536.05

Finding the Fourth Proportional to 285,848.61, 394,461.16 and 158,536.05

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Solution

The fourth proportional to 285,848.61, 394,461.16 and 158,536.05 is: 218,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.61 : 394,461.16 = 158,536.05 : x
  2. Step 2: Convert to fraction form
    285,848.61/394,461.16 = 158,536.05/x
  3. Step 3: Cross multiply
    285,848.61x = 394,461.16 × 158,536.05
  4. Step 4: Simplify right side
    285,848.61x = 62,536,314,184.82
  5. Step 5: Solve for x
    x = 62,536,314,184.82/285,848.61
  6. Step 6: Final answer
    x = 218,774.25

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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.