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Finding the Fourth Proportional to 371,497.40, 512,672.37 and 210,348.14

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Solution

The fourth proportional to 371,497.40, 512,672.37 and 210,348.14 is: 290,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,497.40 : 512,672.37 = 210,348.14 : x
  2. Step 2: Convert to fraction form
    371,497.40/512,672.37 = 210,348.14/x
  3. Step 3: Cross multiply
    371,497.40x = 512,672.37 × 210,348.14
  4. Step 4: Simplify right side
    371,497.40x = 107,839,679,458.89
  5. Step 5: Solve for x
    x = 107,839,679,458.89/371,497.40
  6. Step 6: Final answer
    x = 290,283.81

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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.