Finding the Fourth Proportional to 518,686.80, 777,719.16 and 202,767.36
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Solution
The fourth proportional to 518,686.80, 777,719.16 and 202,767.36 is: 304,029.45
Step by Step Solution
- Step 1: Write the proportion equation
518,686.80 : 777,719.16 = 202,767.36 : x - Step 2: Convert to fraction form
518,686.80/777,719.16 = 202,767.36/x - Step 3: Cross multiply
518,686.80x = 777,719.16 × 202,767.36 - Step 4: Simplify right side
518,686.80x = 157,696,060,894.62 - Step 5: Solve for x
x = 157,696,060,894.62/518,686.80 - Step 6: Final answer
x = 304,029.45
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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.