Finding the Fourth Proportional to 242,343.04, 334,244.16 and 157,487.68
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Solution
The fourth proportional to 242,343.04, 334,244.16 and 157,487.68 is: 217,210.02
Step by Step Solution
- Step 1: Write the proportion equation
242,343.04 : 334,244.16 = 157,487.68 : x - Step 2: Convert to fraction form
242,343.04/334,244.16 = 157,487.68/x - Step 3: Cross multiply
242,343.04x = 334,244.16 × 157,487.68 - Step 4: Simplify right side
242,343.04x = 52,639,337,311.95 - Step 5: Solve for x
x = 52,639,337,311.95/242,343.04 - Step 6: Final answer
x = 217,210.02
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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.