Home / 545,947.24-818,533.10-208,703.72

Finding the Fourth Proportional to 545,947.24, 818,533.10 and 208,703.72

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Solution

The fourth proportional to 545,947.24, 818,533.10 and 208,703.72 is: 312,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,947.24 : 818,533.10 = 208,703.72 : x
  2. Step 2: Convert to fraction form
    545,947.24/818,533.10 = 208,703.72/x
  3. Step 3: Cross multiply
    545,947.24x = 818,533.10 × 208,703.72
  4. Step 4: Simplify right side
    545,947.24x = 170,830,902,913.13
  5. Step 5: Solve for x
    x = 170,830,902,913.13/545,947.24
  6. Step 6: Final answer
    x = 312,907.35

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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.