Finding the Fourth Proportional to 299,726.80, 449,590.20 and 283,397.20
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Solution
The fourth proportional to 299,726.80, 449,590.20 and 283,397.20 is: 425,095.80
Step by Step Solution
- Step 1: Write the proportion equation
299,726.80 : 449,590.20 = 283,397.20 : x - Step 2: Convert to fraction form
299,726.80/449,590.20 = 283,397.20/x - Step 3: Cross multiply
299,726.80x = 449,590.20 × 283,397.20 - Step 4: Simplify right side
299,726.80x = 127,412,603,827.44 - Step 5: Solve for x
x = 127,412,603,827.44/299,726.80 - Step 6: Final answer
x = 425,095.80
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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.