Finding the Fourth Proportional to 254,934.81, 382,307.18 and 74,972.03
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Solution
The fourth proportional to 254,934.81, 382,307.18 and 74,972.03 is: 112,430.09
Step by Step Solution
- Step 1: Write the proportion equation
254,934.81 : 382,307.18 = 74,972.03 : x - Step 2: Convert to fraction form
254,934.81/382,307.18 = 74,972.03/x - Step 3: Cross multiply
254,934.81x = 382,307.18 × 74,972.03 - Step 4: Simplify right side
254,934.81x = 28,662,343,081.78 - Step 5: Solve for x
x = 28,662,343,081.78/254,934.81 - Step 6: Final answer
x = 112,430.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.