Finding the Fourth Proportional to 297,124.64, 445,643.11 and 86,706.08
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Solution
The fourth proportional to 297,124.64, 445,643.11 and 86,706.08 is: 130,046.32
Step by Step Solution
- Step 1: Write the proportion equation
297,124.64 : 445,643.11 = 86,706.08 : x - Step 2: Convert to fraction form
297,124.64/445,643.11 = 86,706.08/x - Step 3: Cross multiply
297,124.64x = 445,643.11 × 86,706.08 - Step 4: Simplify right side
297,124.64x = 38,639,967,147.11 - Step 5: Solve for x
x = 38,639,967,147.11/297,124.64 - Step 6: Final answer
x = 130,046.32
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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.