Finding the Fourth Proportional to 163,713.30, 245,569.95 and 84,851.70
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Solution
The fourth proportional to 163,713.30, 245,569.95 and 84,851.70 is: 127,277.55
Step by Step Solution
- Step 1: Write the proportion equation
163,713.30 : 245,569.95 = 84,851.70 : x - Step 2: Convert to fraction form
163,713.30/245,569.95 = 84,851.70/x - Step 3: Cross multiply
163,713.30x = 245,569.95 × 84,851.70 - Step 4: Simplify right side
163,713.30x = 20,837,027,726.42 - Step 5: Solve for x
x = 20,837,027,726.42/163,713.30 - Step 6: Final answer
x = 127,277.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.