Finding the Fourth Proportional to 201,069.12, 301,681.88 and 88,670.08
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Solution
The fourth proportional to 201,069.12, 301,681.88 and 88,670.08 is: 133,039.61
Step by Step Solution
- Step 1: Write the proportion equation
201,069.12 : 301,681.88 = 88,670.08 : x - Step 2: Convert to fraction form
201,069.12/301,681.88 = 88,670.08/x - Step 3: Cross multiply
201,069.12x = 301,681.88 × 88,670.08 - Step 4: Simplify right side
201,069.12x = 26,750,156,434.15 - Step 5: Solve for x
x = 26,750,156,434.15/201,069.12 - Step 6: Final answer
x = 133,039.61
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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.