Finding the Fourth Proportional to 495,493.16, 683,781.21 and 269,138.66
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Solution
The fourth proportional to 495,493.16, 683,781.21 and 269,138.66 is: 371,411.70
Step by Step Solution
- Step 1: Write the proportion equation
495,493.16 : 683,781.21 = 269,138.66 : x - Step 2: Convert to fraction form
495,493.16/683,781.21 = 269,138.66/x - Step 3: Cross multiply
495,493.16x = 683,781.21 × 269,138.66 - Step 4: Simplify right side
495,493.16x = 184,031,955,173.67 - Step 5: Solve for x
x = 184,031,955,173.67/495,493.16 - Step 6: Final answer
x = 371,411.70
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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.