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Finding the Fourth Proportional to 343,284.80, 514,927.20 and 203,201.60

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Solution

The fourth proportional to 343,284.80, 514,927.20 and 203,201.60 is: 304,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,284.80 : 514,927.20 = 203,201.60 : x
  2. Step 2: Convert to fraction form
    343,284.80/514,927.20 = 203,201.60/x
  3. Step 3: Cross multiply
    343,284.80x = 514,927.20 × 203,201.60
  4. Step 4: Simplify right side
    343,284.80x = 104,634,030,923.52
  5. Step 5: Solve for x
    x = 104,634,030,923.52/343,284.80
  6. Step 6: Final answer
    x = 304,802.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.