Home / 545,897.98-819,100.58-208,827.20

Finding the Fourth Proportional to 545,897.98, 819,100.58 and 208,827.20

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Solution

The fourth proportional to 545,897.98, 819,100.58 and 208,827.20 is: 313,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,897.98 : 819,100.58 = 208,827.20 : x
  2. Step 2: Convert to fraction form
    545,897.98/819,100.58 = 208,827.20/x
  3. Step 3: Cross multiply
    545,897.98x = 819,100.58 × 208,827.20
  4. Step 4: Simplify right side
    545,897.98x = 171,050,480,639.78
  5. Step 5: Solve for x
    x = 171,050,480,639.78/545,897.98
  6. Step 6: Final answer
    x = 313,337.82

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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.