Home / 345,386.90-476,658.34-192,435.14

Finding the Fourth Proportional to 345,386.90, 476,658.34 and 192,435.14

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Solution

The fourth proportional to 345,386.90, 476,658.34 and 192,435.14 is: 265,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,386.90 : 476,658.34 = 192,435.14 : x
  2. Step 2: Convert to fraction form
    345,386.90/476,658.34 = 192,435.14/x
  3. Step 3: Cross multiply
    345,386.90x = 476,658.34 × 192,435.14
  4. Step 4: Simplify right side
    345,386.90x = 91,725,814,390.07
  5. Step 5: Solve for x
    x = 91,725,814,390.07/345,386.90
  6. Step 6: Final answer
    x = 265,574.10

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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.