Finding the Fourth Proportional to 186,823.80, 257,549.76 and 115,156.08
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Solution
The fourth proportional to 186,823.80, 257,549.76 and 115,156.08 is: 158,750.76
Step by Step Solution
- Step 1: Write the proportion equation
186,823.80 : 257,549.76 = 115,156.08 : x - Step 2: Convert to fraction form
186,823.80/257,549.76 = 115,156.08/x - Step 3: Cross multiply
186,823.80x = 257,549.76 × 115,156.08 - Step 4: Simplify right side
186,823.80x = 29,658,420,766.54 - Step 5: Solve for x
x = 29,658,420,766.54/186,823.80 - Step 6: Final answer
x = 158,750.76
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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.