Finding the Fourth Proportional to 316,094.98, 473,643.11 and 256,640.17
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Solution
The fourth proportional to 316,094.98, 473,643.11 and 256,640.17 is: 384,554.82
Step by Step Solution
- Step 1: Write the proportion equation
316,094.98 : 473,643.11 = 256,640.17 : x - Step 2: Convert to fraction form
316,094.98/473,643.11 = 256,640.17/x - Step 3: Cross multiply
316,094.98x = 473,643.11 × 256,640.17 - Step 4: Simplify right side
316,094.98x = 121,555,846,986.53 - Step 5: Solve for x
x = 121,555,846,986.53/316,094.98 - Step 6: Final answer
x = 384,554.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.