Finding the Fourth Proportional to 316,147.72, 436,323.58 and 207,343.48
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Solution
The fourth proportional to 316,147.72, 436,323.58 and 207,343.48 is: 286,160.06
Step by Step Solution
- Step 1: Write the proportion equation
316,147.72 : 436,323.58 = 207,343.48 : x - Step 2: Convert to fraction form
316,147.72/436,323.58 = 207,343.48/x - Step 3: Cross multiply
316,147.72x = 436,323.58 × 207,343.48 - Step 4: Simplify right side
316,147.72x = 90,468,849,483.26 - Step 5: Solve for x
x = 90,468,849,483.26/316,147.72 - Step 6: Final answer
x = 286,160.06
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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.