Home / 229,356.72-344,173.56-163,345.74

Finding the Fourth Proportional to 229,356.72, 344,173.56 and 163,345.74

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Solution

The fourth proportional to 229,356.72, 344,173.56 and 163,345.74 is: 245,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,356.72 : 344,173.56 = 163,345.74 : x
  2. Step 2: Convert to fraction form
    229,356.72/344,173.56 = 163,345.74/x
  3. Step 3: Cross multiply
    229,356.72x = 344,173.56 × 163,345.74
  4. Step 4: Simplify right side
    229,356.72x = 56,219,284,846.63
  5. Step 5: Solve for x
    x = 56,219,284,846.63/229,356.72
  6. Step 6: Final answer
    x = 245,117.23

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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.