Finding the Fourth Proportional to 495,423.91, 683,688.54 and 269,069.41
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Solution
The fourth proportional to 495,423.91, 683,688.54 and 269,069.41 is: 371,317.71
Step by Step Solution
- Step 1: Write the proportion equation
495,423.91 : 683,688.54 = 269,069.41 : x - Step 2: Convert to fraction form
495,423.91/683,688.54 = 269,069.41/x - Step 3: Cross multiply
495,423.91x = 683,688.54 × 269,069.41 - Step 4: Simplify right side
495,423.91x = 183,959,672,081.56 - Step 5: Solve for x
x = 183,959,672,081.56/495,423.91 - Step 6: Final answer
x = 371,317.71
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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.