Home / 250,915.78-346,265.04-143,490.34

Finding the Fourth Proportional to 250,915.78, 346,265.04 and 143,490.34

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Solution

The fourth proportional to 250,915.78, 346,265.04 and 143,490.34 is: 198,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,915.78 : 346,265.04 = 143,490.34 : x
  2. Step 2: Convert to fraction form
    250,915.78/346,265.04 = 143,490.34/x
  3. Step 3: Cross multiply
    250,915.78x = 346,265.04 × 143,490.34
  4. Step 4: Simplify right side
    250,915.78x = 49,685,688,319.71
  5. Step 5: Solve for x
    x = 49,685,688,319.71/250,915.78
  6. Step 6: Final answer
    x = 198,017.39

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1.5x scale

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.