Finding the Fourth Proportional to 153,721.80, 230,582.70 and 83,737.80
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Solution
The fourth proportional to 153,721.80, 230,582.70 and 83,737.80 is: 125,606.70
Step by Step Solution
- Step 1: Write the proportion equation
153,721.80 : 230,582.70 = 83,737.80 : x - Step 2: Convert to fraction form
153,721.80/230,582.70 = 83,737.80/x - Step 3: Cross multiply
153,721.80x = 230,582.70 × 83,737.80 - Step 4: Simplify right side
153,721.80x = 19,308,488,016.06 - Step 5: Solve for x
x = 19,308,488,016.06/153,721.80 - Step 6: Final answer
x = 125,606.70
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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.