Home / 761,108.50-1,141,730.18-200,143

Finding the Fourth Proportional to 761,108.50, 1,141,730.18 and 200,143

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Solution

The fourth proportional to 761,108.50, 1,141,730.18 and 200,143 is: 300,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,108.50 : 1,141,730.18 = 200,143 : x
  2. Step 2: Convert to fraction form
    761,108.50/1,141,730.18 = 200,143/x
  3. Step 3: Cross multiply
    761,108.50x = 1,141,730.18 × 200,143
  4. Step 4: Simplify right side
    761,108.50x = 228,509,303,415.74
  5. Step 5: Solve for x
    x = 228,509,303,415.74/761,108.50
  6. Step 6: Final answer
    x = 300,232.23

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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.