Finding the Fourth Proportional to 313,569.99, 432,726.25 and 170,330.14
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Solution
The fourth proportional to 313,569.99, 432,726.25 and 170,330.14 is: 235,055.41
Step by Step Solution
- Step 1: Write the proportion equation
313,569.99 : 432,726.25 = 170,330.14 : x - Step 2: Convert to fraction form
313,569.99/432,726.25 = 170,330.14/x - Step 3: Cross multiply
313,569.99x = 432,726.25 × 170,330.14 - Step 4: Simplify right side
313,569.99x = 73,706,322,744.18 - Step 5: Solve for x
x = 73,706,322,744.18/313,569.99 - Step 6: Final answer
x = 235,055.41
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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.