Home / 389,188.81-583,734.91-104,901.58

Finding the Fourth Proportional to 389,188.81, 583,734.91 and 104,901.58

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Solution

The fourth proportional to 389,188.81, 583,734.91 and 104,901.58 is: 157,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,188.81 : 583,734.91 = 104,901.58 : x
  2. Step 2: Convert to fraction form
    389,188.81/583,734.91 = 104,901.58/x
  3. Step 3: Cross multiply
    389,188.81x = 583,734.91 × 104,901.58
  4. Step 4: Simplify right side
    389,188.81x = 61,234,714,360.16
  5. Step 5: Solve for x
    x = 61,234,714,360.16/389,188.81
  6. Step 6: Final answer
    x = 157,339.35

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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.