Finding the Fourth Proportional to 316,427.80, 474,641.70 and 94,811.80
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Solution
The fourth proportional to 316,427.80, 474,641.70 and 94,811.80 is: 142,217.70
Step by Step Solution
- Step 1: Write the proportion equation
316,427.80 : 474,641.70 = 94,811.80 : x - Step 2: Convert to fraction form
316,427.80/474,641.70 = 94,811.80/x - Step 3: Cross multiply
316,427.80x = 474,641.70 × 94,811.80 - Step 4: Simplify right side
316,427.80x = 45,001,633,932.06 - Step 5: Solve for x
x = 45,001,633,932.06/316,427.80 - Step 6: Final answer
x = 142,217.70
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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.