Finding the Fourth Proportional to 353,696.94, 487,957.50 and 217,689.84
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Solution
The fourth proportional to 353,696.94, 487,957.50 and 217,689.84 is: 300,323.18
Step by Step Solution
- Step 1: Write the proportion equation
353,696.94 : 487,957.50 = 217,689.84 : x - Step 2: Convert to fraction form
353,696.94/487,957.50 = 217,689.84/x - Step 3: Cross multiply
353,696.94x = 487,957.50 × 217,689.84 - Step 4: Simplify right side
353,696.94x = 106,223,390,101.80 - Step 5: Solve for x
x = 106,223,390,101.80/353,696.94 - Step 6: Final answer
x = 300,323.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.