Finding the Fourth Proportional to 307,264.50, 424,026.81 and 171,306.99
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Solution
The fourth proportional to 307,264.50, 424,026.81 and 171,306.99 is: 236,404.65
Step by Step Solution
- Step 1: Write the proportion equation
307,264.50 : 424,026.81 = 171,306.99 : x - Step 2: Convert to fraction form
307,264.50/424,026.81 = 171,306.99/x - Step 3: Cross multiply
307,264.50x = 424,026.81 × 171,306.99 - Step 4: Simplify right side
307,264.50x = 72,638,756,500.40 - Step 5: Solve for x
x = 72,638,756,500.40/307,264.50 - Step 6: Final answer
x = 236,404.65
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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.