Home / 461,841.51-637,340.07-257,890.80

Finding the Fourth Proportional to 461,841.51, 637,340.07 and 257,890.80

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Solution

The fourth proportional to 461,841.51, 637,340.07 and 257,890.80 is: 355,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,841.51 : 637,340.07 = 257,890.80 : x
  2. Step 2: Convert to fraction form
    461,841.51/637,340.07 = 257,890.80/x
  3. Step 3: Cross multiply
    461,841.51x = 637,340.07 × 257,890.80
  4. Step 4: Simplify right side
    461,841.51x = 164,364,140,524.36
  5. Step 5: Solve for x
    x = 164,364,140,524.36/461,841.51
  6. Step 6: Final answer
    x = 355,888.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.