Finding the Fourth Proportional to 207,151.07, 310,772.16 and 122,988.02
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Solution
The fourth proportional to 207,151.07, 310,772.16 and 122,988.02 is: 184,509.07
Step by Step Solution
- Step 1: Write the proportion equation
207,151.07 : 310,772.16 = 122,988.02 : x - Step 2: Convert to fraction form
207,151.07/310,772.16 = 122,988.02/x - Step 3: Cross multiply
207,151.07x = 310,772.16 × 122,988.02 - Step 4: Simplify right side
207,151.07x = 38,221,251,075.66 - Step 5: Solve for x
x = 38,221,251,075.66/207,151.07 - Step 6: Final answer
x = 184,509.07
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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.