Finding the Fourth Proportional to 172,239.12, 237,692.80 and 94,718.08
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Solution
The fourth proportional to 172,239.12, 237,692.80 and 94,718.08 is: 130,712.50
Step by Step Solution
- Step 1: Write the proportion equation
172,239.12 : 237,692.80 = 94,718.08 : x - Step 2: Convert to fraction form
172,239.12/237,692.80 = 94,718.08/x - Step 3: Cross multiply
172,239.12x = 237,692.80 × 94,718.08 - Step 4: Simplify right side
172,239.12x = 22,513,805,645.82 - Step 5: Solve for x
x = 22,513,805,645.82/172,239.12 - Step 6: Final answer
x = 130,712.50
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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.