Home / 630,021.51-944,943.77-180,780.66

Finding the Fourth Proportional to 630,021.51, 944,943.77 and 180,780.66

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Solution

The fourth proportional to 630,021.51, 944,943.77 and 180,780.66 is: 271,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,021.51 : 944,943.77 = 180,780.66 : x
  2. Step 2: Convert to fraction form
    630,021.51/944,943.77 = 180,780.66/x
  3. Step 3: Cross multiply
    630,021.51x = 944,943.77 × 180,780.66
  4. Step 4: Simplify right side
    630,021.51x = 170,827,558,855.44
  5. Step 5: Solve for x
    x = 170,827,558,855.44/630,021.51
  6. Step 6: Final answer
    x = 271,145.60

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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.