Home / 340,579.28-469,927.50-197,330.60

Finding the Fourth Proportional to 340,579.28, 469,927.50 and 197,330.60

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Solution

The fourth proportional to 340,579.28, 469,927.50 and 197,330.60 is: 272,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,579.28 : 469,927.50 = 197,330.60 : x
  2. Step 2: Convert to fraction form
    340,579.28/469,927.50 = 197,330.60/x
  3. Step 3: Cross multiply
    340,579.28x = 469,927.50 × 197,330.60
  4. Step 4: Simplify right side
    340,579.28x = 92,731,075,531.50
  5. Step 5: Solve for x
    x = 92,731,075,531.50/340,579.28
  6. Step 6: Final answer
    x = 272,274.57

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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.