Finding the Fourth Proportional to 114,304.07, 157,816.68 and 71,348.99
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Solution
The fourth proportional to 114,304.07, 157,816.68 and 71,348.99 is: 98,509.70
Step by Step Solution
- Step 1: Write the proportion equation
114,304.07 : 157,816.68 = 71,348.99 : x - Step 2: Convert to fraction form
114,304.07/157,816.68 = 71,348.99/x - Step 3: Cross multiply
114,304.07x = 157,816.68 × 71,348.99 - Step 4: Simplify right side
114,304.07x = 11,260,059,666.51 - Step 5: Solve for x
x = 11,260,059,666.51/114,304.07 - Step 6: Final answer
x = 98,509.70
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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.