Home / 290,017.22-400,271.86-169,158.50

Finding the Fourth Proportional to 290,017.22, 400,271.86 and 169,158.50

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Solution

The fourth proportional to 290,017.22, 400,271.86 and 169,158.50 is: 233,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,017.22 : 400,271.86 = 169,158.50 : x
  2. Step 2: Convert to fraction form
    290,017.22/400,271.86 = 169,158.50/x
  3. Step 3: Cross multiply
    290,017.22x = 400,271.86 × 169,158.50
  4. Step 4: Simplify right side
    290,017.22x = 67,709,387,429.81
  5. Step 5: Solve for x
    x = 67,709,387,429.81/290,017.22
  6. Step 6: Final answer
    x = 233,466.79

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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.