Finding the Fourth Proportional to 412,422.48, 569,116.08 and 242,623.80
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Solution
The fourth proportional to 412,422.48, 569,116.08 and 242,623.80 is: 334,804.99
Step by Step Solution
- Step 1: Write the proportion equation
412,422.48 : 569,116.08 = 242,623.80 : x - Step 2: Convert to fraction form
412,422.48/569,116.08 = 242,623.80/x - Step 3: Cross multiply
412,422.48x = 569,116.08 × 242,623.80 - Step 4: Simplify right side
412,422.48x = 138,081,105,970.70 - Step 5: Solve for x
x = 138,081,105,970.70/412,422.48 - Step 6: Final answer
x = 334,804.99
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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.