Home / 426,225.09-638,998.13-246,106.26

Finding the Fourth Proportional to 426,225.09, 638,998.13 and 246,106.26

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Solution

The fourth proportional to 426,225.09, 638,998.13 and 246,106.26 is: 368,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,225.09 : 638,998.13 = 246,106.26 : x
  2. Step 2: Convert to fraction form
    426,225.09/638,998.13 = 246,106.26/x
  3. Step 3: Cross multiply
    426,225.09x = 638,998.13 × 246,106.26
  4. Step 4: Simplify right side
    426,225.09x = 157,261,438,690.76
  5. Step 5: Solve for x
    x = 157,261,438,690.76/426,225.09
  6. Step 6: Final answer
    x = 368,963.35

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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.