Finding the Fourth Proportional to 490,726.19, 736,032.24 and 135,767.85
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Solution
The fourth proportional to 490,726.19, 736,032.24 and 135,767.85 is: 203,635.99
Step by Step Solution
- Step 1: Write the proportion equation
490,726.19 : 736,032.24 = 135,767.85 : x - Step 2: Convert to fraction form
490,726.19/736,032.24 = 135,767.85/x - Step 3: Cross multiply
490,726.19x = 736,032.24 × 135,767.85 - Step 4: Simplify right side
490,726.19x = 99,929,514,755.48 - Step 5: Solve for x
x = 99,929,514,755.48/490,726.19 - Step 6: Final answer
x = 203,635.99
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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.