Finding the Fourth Proportional to 163,547.94, 225,702.56 and 91,927.74
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Solution
The fourth proportional to 163,547.94, 225,702.56 and 91,927.74 is: 126,863.88
Step by Step Solution
- Step 1: Write the proportion equation
163,547.94 : 225,702.56 = 91,927.74 : x - Step 2: Convert to fraction form
163,547.94/225,702.56 = 91,927.74/x - Step 3: Cross multiply
163,547.94x = 225,702.56 × 91,927.74 - Step 4: Simplify right side
163,547.94x = 20,748,326,253.01 - Step 5: Solve for x
x = 20,748,326,253.01/163,547.94 - Step 6: Final answer
x = 126,863.88
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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.