Finding the Fourth Proportional to 316,444.43, 436,689.61 and 171,246.84
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Solution
The fourth proportional to 316,444.43, 436,689.61 and 171,246.84 is: 236,318.64
Step by Step Solution
- Step 1: Write the proportion equation
316,444.43 : 436,689.61 = 171,246.84 : x - Step 2: Convert to fraction form
316,444.43/436,689.61 = 171,246.84/x - Step 3: Cross multiply
316,444.43x = 436,689.61 × 171,246.84 - Step 4: Simplify right side
316,444.43x = 74,781,715,345.22 - Step 5: Solve for x
x = 74,781,715,345.22/316,444.43 - Step 6: Final answer
x = 236,318.64
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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.