Finding the Fourth Proportional to 282,925.94, 390,342.17 and 160,405.22
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Solution
The fourth proportional to 282,925.94, 390,342.17 and 160,405.22 is: 221,304.99
Step by Step Solution
- Step 1: Write the proportion equation
282,925.94 : 390,342.17 = 160,405.22 : x - Step 2: Convert to fraction form
282,925.94/390,342.17 = 160,405.22/x - Step 3: Cross multiply
282,925.94x = 390,342.17 × 160,405.22 - Step 4: Simplify right side
282,925.94x = 62,612,921,654.13 - Step 5: Solve for x
x = 62,612,921,654.13/282,925.94 - Step 6: Final answer
x = 221,304.99
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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.