Finding the Fourth Proportional to 375,205.84, 517,781.67 and 203,122.55
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Solution
The fourth proportional to 375,205.84, 517,781.67 and 203,122.55 is: 280,307.83
Step by Step Solution
- Step 1: Write the proportion equation
375,205.84 : 517,781.67 = 203,122.55 : x - Step 2: Convert to fraction form
375,205.84/517,781.67 = 203,122.55/x - Step 3: Cross multiply
375,205.84x = 517,781.67 × 203,122.55 - Step 4: Simplify right side
375,205.84x = 105,173,133,153.66 - Step 5: Solve for x
x = 105,173,133,153.66/375,205.84 - Step 6: Final answer
x = 280,307.83
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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.