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Finding the Fourth Proportional to 434,029.80, 650,526.30 and 223,559.40

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Solution

The fourth proportional to 434,029.80, 650,526.30 and 223,559.40 is: 335,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,029.80 : 650,526.30 = 223,559.40 : x
  2. Step 2: Convert to fraction form
    434,029.80/650,526.30 = 223,559.40/x
  3. Step 3: Cross multiply
    434,029.80x = 650,526.30 × 223,559.40
  4. Step 4: Simplify right side
    434,029.80x = 145,431,269,312.22
  5. Step 5: Solve for x
    x = 145,431,269,312.22/434,029.80
  6. Step 6: Final answer
    x = 335,072.08

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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.