Home / 387,969.01-582,095.67-163,385.98

Finding the Fourth Proportional to 387,969.01, 582,095.67 and 163,385.98

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Solution

The fourth proportional to 387,969.01, 582,095.67 and 163,385.98 is: 245,138.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,969.01 : 582,095.67 = 163,385.98 : x
  2. Step 2: Convert to fraction form
    387,969.01/582,095.67 = 163,385.98/x
  3. Step 3: Cross multiply
    387,969.01x = 582,095.67 × 163,385.98
  4. Step 4: Simplify right side
    387,969.01x = 95,106,271,496.71
  5. Step 5: Solve for x
    x = 95,106,271,496.71/387,969.01
  6. Step 6: Final answer
    x = 245,138.84

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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.