Finding the Fourth Proportional to 316,356.18, 474,583.76 and 103,074.58
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Solution
The fourth proportional to 316,356.18, 474,583.76 and 103,074.58 is: 154,627.99
Step by Step Solution
- Step 1: Write the proportion equation
316,356.18 : 474,583.76 = 103,074.58 : x - Step 2: Convert to fraction form
316,356.18/474,583.76 = 103,074.58/x - Step 3: Cross multiply
316,356.18x = 474,583.76 × 103,074.58 - Step 4: Simplify right side
316,356.18x = 48,917,521,814.68 - Step 5: Solve for x
x = 48,917,521,814.68/316,356.18 - Step 6: Final answer
x = 154,627.99
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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.