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Finding the Fourth Proportional to 375,427.84, 518,127.60 and 214,307.13

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Solution

The fourth proportional to 375,427.84, 518,127.60 and 214,307.13 is: 295,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,427.84 : 518,127.60 = 214,307.13 : x
  2. Step 2: Convert to fraction form
    375,427.84/518,127.60 = 214,307.13/x
  3. Step 3: Cross multiply
    375,427.84x = 518,127.60 × 214,307.13
  4. Step 4: Simplify right side
    375,427.84x = 111,038,438,929.79
  5. Step 5: Solve for x
    x = 111,038,438,929.79/375,427.84
  6. Step 6: Final answer
    x = 295,765.06

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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.