Finding the Fourth Proportional to 313,279.98, 432,314.79 and 170,036.95
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Solution
The fourth proportional to 313,279.98, 432,314.79 and 170,036.95 is: 234,644.70
Step by Step Solution
- Step 1: Write the proportion equation
313,279.98 : 432,314.79 = 170,036.95 : x - Step 2: Convert to fraction form
313,279.98/432,314.79 = 170,036.95/x - Step 3: Cross multiply
313,279.98x = 432,314.79 × 170,036.95 - Step 4: Simplify right side
313,279.98x = 73,509,487,642.46 - Step 5: Solve for x
x = 73,509,487,642.46/313,279.98 - Step 6: Final answer
x = 234,644.70
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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.