Finding the Fourth Proportional to 389,417.68, 537,412.68 and 246,125.68
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Solution
The fourth proportional to 389,417.68, 537,412.68 and 246,125.68 is: 339,663.73
Step by Step Solution
- Step 1: Write the proportion equation
389,417.68 : 537,412.68 = 246,125.68 : x - Step 2: Convert to fraction form
389,417.68/537,412.68 = 246,125.68/x - Step 3: Cross multiply
389,417.68x = 537,412.68 × 246,125.68 - Step 4: Simplify right side
389,417.68x = 132,271,061,305.62 - Step 5: Solve for x
x = 132,271,061,305.62/389,417.68 - Step 6: Final answer
x = 339,663.73
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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.