Finding the Fourth Proportional to 316,490.50, 474,852.39 and 166,724.74
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Solution
The fourth proportional to 316,490.50, 474,852.39 and 166,724.74 is: 250,148.56
Step by Step Solution
- Step 1: Write the proportion equation
316,490.50 : 474,852.39 = 166,724.74 : x - Step 2: Convert to fraction form
316,490.50/474,852.39 = 166,724.74/x - Step 3: Cross multiply
316,490.50x = 474,852.39 × 166,724.74 - Step 4: Simplify right side
316,490.50x = 79,169,641,261.13 - Step 5: Solve for x
x = 79,169,641,261.13/316,490.50 - Step 6: Final answer
x = 250,148.56
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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.