Finding the Fourth Proportional to 468,177.11, 646,015.14 and 284,320.07
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Solution
The fourth proportional to 468,177.11, 646,015.14 and 284,320.07 is: 392,319.63
Step by Step Solution
- Step 1: Write the proportion equation
468,177.11 : 646,015.14 = 284,320.07 : x - Step 2: Convert to fraction form
468,177.11/646,015.14 = 284,320.07/x - Step 3: Cross multiply
468,177.11x = 646,015.14 × 284,320.07 - Step 4: Simplify right side
468,177.11x = 183,675,066,595.78 - Step 5: Solve for x
x = 183,675,066,595.78/468,177.11 - Step 6: Final answer
x = 392,319.63
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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.