Finding the Fourth Proportional to 610,245.68, 842,188.73 and 338,398.79
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Solution
The fourth proportional to 610,245.68, 842,188.73 and 338,398.79 is: 467,017.88
Step by Step Solution
- Step 1: Write the proportion equation
610,245.68 : 842,188.73 = 338,398.79 : x - Step 2: Convert to fraction form
610,245.68/842,188.73 = 338,398.79/x - Step 3: Cross multiply
610,245.68x = 842,188.73 × 338,398.79 - Step 4: Simplify right side
610,245.68x = 284,995,641,280.70 - Step 5: Solve for x
x = 284,995,641,280.70/610,245.68 - Step 6: Final answer
x = 467,017.88
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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.