Finding the Fourth Proportional to 416,331.08, 624,080.10 and 191,853.62
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Solution
The fourth proportional to 416,331.08, 624,080.10 and 191,853.62 is: 287,588.49
Step by Step Solution
- Step 1: Write the proportion equation
416,331.08 : 624,080.10 = 191,853.62 : x - Step 2: Convert to fraction form
416,331.08/624,080.10 = 191,853.62/x - Step 3: Cross multiply
416,331.08x = 624,080.10 × 191,853.62 - Step 4: Simplify right side
416,331.08x = 119,732,026,354.96 - Step 5: Solve for x
x = 119,732,026,354.96/416,331.08 - Step 6: Final answer
x = 287,588.49
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1.5x scale
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.