Finding the Fourth Proportional to 396,689.18, 547,354.07 and 235,594.76
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Solution
The fourth proportional to 396,689.18, 547,354.07 and 235,594.76 is: 325,075.03
Step by Step Solution
- Step 1: Write the proportion equation
396,689.18 : 547,354.07 = 235,594.76 : x - Step 2: Convert to fraction form
396,689.18/547,354.07 = 235,594.76/x - Step 3: Cross multiply
396,689.18x = 547,354.07 × 235,594.76 - Step 4: Simplify right side
396,689.18x = 128,953,746,841.93 - Step 5: Solve for x
x = 128,953,746,841.93/396,689.18 - Step 6: Final answer
x = 325,075.03
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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.