Finding the Fourth Proportional to 353,946.84, 488,432.82 and 216,356.12
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Solution
The fourth proportional to 353,946.84, 488,432.82 and 216,356.12 is: 298,562.99
Step by Step Solution
- Step 1: Write the proportion equation
353,946.84 : 488,432.82 = 216,356.12 : x - Step 2: Convert to fraction form
353,946.84/488,432.82 = 216,356.12/x - Step 3: Cross multiply
353,946.84x = 488,432.82 × 216,356.12 - Step 4: Simplify right side
353,946.84x = 105,675,427,373.69 - Step 5: Solve for x
x = 105,675,427,373.69/353,946.84 - Step 6: Final answer
x = 298,562.99
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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.