Finding the Fourth Proportional to 495,888.78, 684,312.14 and 281,048.70
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Solution
The fourth proportional to 495,888.78, 684,312.14 and 281,048.70 is: 387,839.06
Step by Step Solution
- Step 1: Write the proportion equation
495,888.78 : 684,312.14 = 281,048.70 : x - Step 2: Convert to fraction form
495,888.78/684,312.14 = 281,048.70/x - Step 3: Cross multiply
495,888.78x = 684,312.14 × 281,048.70 - Step 4: Simplify right side
495,888.78x = 192,325,037,341.22 - Step 5: Solve for x
x = 192,325,037,341.22/495,888.78 - Step 6: Final answer
x = 387,839.06
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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.