Finding the Fourth Proportional to 483,528.60, 725,289.12 and 128,567.70
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Solution
The fourth proportional to 483,528.60, 725,289.12 and 128,567.70 is: 192,850.54
Step by Step Solution
- Step 1: Write the proportion equation
483,528.60 : 725,289.12 = 128,567.70 : x - Step 2: Convert to fraction form
483,528.60/725,289.12 = 128,567.70/x - Step 3: Cross multiply
483,528.60x = 725,289.12 × 128,567.70 - Step 4: Simplify right side
483,528.60x = 93,248,753,993.42 - Step 5: Solve for x
x = 93,248,753,993.42/483,528.60 - Step 6: Final answer
x = 192,850.54
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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.