Finding the Fourth Proportional to 537,279.68, 741,470.88 and 310,881.28
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Solution
The fourth proportional to 537,279.68, 741,470.88 and 310,881.28 is: 429,030.59
Step by Step Solution
- Step 1: Write the proportion equation
537,279.68 : 741,470.88 = 310,881.28 : x - Step 2: Convert to fraction form
537,279.68/741,470.88 = 310,881.28/x - Step 3: Cross multiply
537,279.68x = 741,470.88 × 310,881.28 - Step 4: Simplify right side
537,279.68x = 230,509,416,257.13 - Step 5: Solve for x
x = 230,509,416,257.13/537,279.68 - Step 6: Final answer
x = 429,030.59
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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.