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Finding the Fourth Proportional to 375,751.04, 518,557.30 and 214,658.40

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Solution

The fourth proportional to 375,751.04, 518,557.30 and 214,658.40 is: 296,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,751.04 : 518,557.30 = 214,658.40 : x
  2. Step 2: Convert to fraction form
    375,751.04/518,557.30 = 214,658.40/x
  3. Step 3: Cross multiply
    375,751.04x = 518,557.30 × 214,658.40
  4. Step 4: Simplify right side
    375,751.04x = 111,312,680,326.32
  5. Step 5: Solve for x
    x = 111,312,680,326.32/375,751.04
  6. Step 6: Final answer
    x = 296,240.51

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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.