Finding the Fourth Proportional to 466,248.98, 643,424.58 and 275,274.68
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Solution
The fourth proportional to 466,248.98, 643,424.58 and 275,274.68 is: 379,879.63
Step by Step Solution
- Step 1: Write the proportion equation
466,248.98 : 643,424.58 = 275,274.68 : x - Step 2: Convert to fraction form
466,248.98/643,424.58 = 275,274.68/x - Step 3: Cross multiply
466,248.98x = 643,424.58 × 275,274.68 - Step 4: Simplify right side
466,248.98x = 177,118,492,146.51 - Step 5: Solve for x
x = 177,118,492,146.51/466,248.98 - Step 6: Final answer
x = 379,879.63
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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.