Finding the Fourth Proportional to 219,838.14, 303,365.93 and 124,342.79
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Solution
The fourth proportional to 219,838.14, 303,365.93 and 124,342.79 is: 171,586.99
Step by Step Solution
- Step 1: Write the proportion equation
219,838.14 : 303,365.93 = 124,342.79 : x - Step 2: Convert to fraction form
219,838.14/303,365.93 = 124,342.79/x - Step 3: Cross multiply
219,838.14x = 303,365.93 × 124,342.79 - Step 4: Simplify right side
219,838.14x = 37,721,363,988.60 - Step 5: Solve for x
x = 37,721,363,988.60/219,838.14 - Step 6: Final answer
x = 171,586.99
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1.5x scale
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.