Finding the Fourth Proportional to 495,614.16, 683,934.23 and 291,677.09
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Solution
The fourth proportional to 495,614.16, 683,934.23 and 291,677.09 is: 402,506.55
Step by Step Solution
- Step 1: Write the proportion equation
495,614.16 : 683,934.23 = 291,677.09 : x - Step 2: Convert to fraction form
495,614.16/683,934.23 = 291,677.09/x - Step 3: Cross multiply
495,614.16x = 683,934.23 × 291,677.09 - Step 4: Simplify right side
495,614.16x = 199,487,943,267.31 - Step 5: Solve for x
x = 199,487,943,267.31/495,614.16 - Step 6: Final answer
x = 402,506.55
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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.