Finding the Fourth Proportional to 149,048.01, 205,625.55 and 84,503.65
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Solution
The fourth proportional to 149,048.01, 205,625.55 and 84,503.65 is: 116,580.62
Step by Step Solution
- Step 1: Write the proportion equation
149,048.01 : 205,625.55 = 84,503.65 : x - Step 2: Convert to fraction form
149,048.01/205,625.55 = 84,503.65/x - Step 3: Cross multiply
149,048.01x = 205,625.55 × 84,503.65 - Step 4: Simplify right side
149,048.01x = 17,376,109,508.26 - Step 5: Solve for x
x = 17,376,109,508.26/149,048.01 - Step 6: Final answer
x = 116,580.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.