Home / 557,421.76-836,075.68-152,649.96

Finding the Fourth Proportional to 557,421.76, 836,075.68 and 152,649.96

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Solution

The fourth proportional to 557,421.76, 836,075.68 and 152,649.96 is: 228,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,421.76 : 836,075.68 = 152,649.96 : x
  2. Step 2: Convert to fraction form
    557,421.76/836,075.68 = 152,649.96/x
  3. Step 3: Cross multiply
    557,421.76x = 836,075.68 × 152,649.96
  4. Step 4: Simplify right side
    557,421.76x = 127,626,919,108.97
  5. Step 5: Solve for x
    x = 127,626,919,108.97/557,421.76
  6. Step 6: Final answer
    x = 228,959.34

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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.