Finding the Fourth Proportional to 249,463.96, 343,855.84 and 194,920.76
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Solution
The fourth proportional to 249,463.96, 343,855.84 and 194,920.76 is: 268,674.65
Step by Step Solution
- Step 1: Write the proportion equation
249,463.96 : 343,855.84 = 194,920.76 : x - Step 2: Convert to fraction form
249,463.96/343,855.84 = 194,920.76/x - Step 3: Cross multiply
249,463.96x = 343,855.84 × 194,920.76 - Step 4: Simplify right side
249,463.96x = 67,024,641,663.24 - Step 5: Solve for x
x = 67,024,641,663.24/249,463.96 - Step 6: Final answer
x = 268,674.65
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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.