Finding the Fourth Proportional to 316,356.18, 436,560.93 and 173,106.60
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Solution
The fourth proportional to 316,356.18, 436,560.93 and 173,106.60 is: 238,881.31
Step by Step Solution
- Step 1: Write the proportion equation
316,356.18 : 436,560.93 = 173,106.60 : x - Step 2: Convert to fraction form
316,356.18/436,560.93 = 173,106.60/x - Step 3: Cross multiply
316,356.18x = 436,560.93 × 173,106.60 - Step 4: Simplify right side
316,356.18x = 75,571,578,285.14 - Step 5: Solve for x
x = 75,571,578,285.14/316,356.18 - Step 6: Final answer
x = 238,881.31
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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.