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Finding the Fourth Proportional to 371,292.50, 512,341.03 and 207,926.21

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Solution

The fourth proportional to 371,292.50, 512,341.03 and 207,926.21 is: 286,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,292.50 : 512,341.03 = 207,926.21 : x
  2. Step 2: Convert to fraction form
    371,292.50/512,341.03 = 207,926.21/x
  3. Step 3: Cross multiply
    371,292.50x = 512,341.03 × 207,926.21
  4. Step 4: Simplify right side
    371,292.50x = 106,529,128,595.40
  5. Step 5: Solve for x
    x = 106,529,128,595.40/371,292.50
  6. Step 6: Final answer
    x = 286,914.30

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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.