Finding the Fourth Proportional to 157,798.85, 236,703.13 and 69,006.65
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Solution
The fourth proportional to 157,798.85, 236,703.13 and 69,006.65 is: 103,512.09
Step by Step Solution
- Step 1: Write the proportion equation
157,798.85 : 236,703.13 = 69,006.65 : x - Step 2: Convert to fraction form
157,798.85/236,703.13 = 69,006.65/x - Step 3: Cross multiply
157,798.85x = 236,703.13 × 69,006.65 - Step 4: Simplify right side
157,798.85x = 16,334,088,689.78 - Step 5: Solve for x
x = 16,334,088,689.78/157,798.85 - Step 6: Final answer
x = 103,512.09
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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.