Finding the Fourth Proportional to 495,186.84, 683,520.48 and 291,228.84
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Solution
The fourth proportional to 495,186.84, 683,520.48 and 291,228.84 is: 401,991.45
Step by Step Solution
- Step 1: Write the proportion equation
495,186.84 : 683,520.48 = 291,228.84 : x - Step 2: Convert to fraction form
495,186.84/683,520.48 = 291,228.84/x - Step 3: Cross multiply
495,186.84x = 683,520.48 × 291,228.84 - Step 4: Simplify right side
495,186.84x = 199,060,876,506.64 - Step 5: Solve for x
x = 199,060,876,506.64/495,186.84 - Step 6: Final answer
x = 401,991.45
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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.