Finding the Fourth Proportional to 312,282.36, 468,498.18 and 101,920.68
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Solution
The fourth proportional to 312,282.36, 468,498.18 and 101,920.68 is: 152,905.38
Step by Step Solution
- Step 1: Write the proportion equation
312,282.36 : 468,498.18 = 101,920.68 : x - Step 2: Convert to fraction form
312,282.36/468,498.18 = 101,920.68/x - Step 3: Cross multiply
312,282.36x = 468,498.18 × 101,920.68 - Step 4: Simplify right side
312,282.36x = 47,749,653,084.36 - Step 5: Solve for x
x = 47,749,653,084.36/312,282.36 - Step 6: Final answer
x = 152,905.38
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1.5x scale
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.