Home / 389,533.23-584,364.47-136,748.16

Finding the Fourth Proportional to 389,533.23, 584,364.47 and 136,748.16

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Solution

The fourth proportional to 389,533.23, 584,364.47 and 136,748.16 is: 205,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,533.23 : 584,364.47 = 136,748.16 : x
  2. Step 2: Convert to fraction form
    389,533.23/584,364.47 = 136,748.16/x
  3. Step 3: Cross multiply
    389,533.23x = 584,364.47 × 136,748.16
  4. Step 4: Simplify right side
    389,533.23x = 79,910,766,041.88
  5. Step 5: Solve for x
    x = 79,910,766,041.88/389,533.23
  6. Step 6: Final answer
    x = 205,144.93

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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.