Finding the Fourth Proportional to 297,003.66, 445,498.14 and 86,643.42
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Solution
The fourth proportional to 297,003.66, 445,498.14 and 86,643.42 is: 129,962.99
Step by Step Solution
- Step 1: Write the proportion equation
297,003.66 : 445,498.14 = 86,643.42 : x - Step 2: Convert to fraction form
297,003.66/445,498.14 = 86,643.42/x - Step 3: Cross multiply
297,003.66x = 445,498.14 × 86,643.42 - Step 4: Simplify right side
297,003.66x = 38,599,482,453.24 - Step 5: Solve for x
x = 38,599,482,453.24/297,003.66 - Step 6: Final answer
x = 129,962.99
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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.