Finding the Fourth Proportional to 342,229.84, 472,340.36 and 219,875.18
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Solution
The fourth proportional to 342,229.84, 472,340.36 and 219,875.18 is: 303,468.34
Step by Step Solution
- Step 1: Write the proportion equation
342,229.84 : 472,340.36 = 219,875.18 : x - Step 2: Convert to fraction form
342,229.84/472,340.36 = 219,875.18/x - Step 3: Cross multiply
342,229.84x = 472,340.36 × 219,875.18 - Step 4: Simplify right side
342,229.84x = 103,855,919,864.25 - Step 5: Solve for x
x = 103,855,919,864.25/342,229.84 - Step 6: Final answer
x = 303,468.34
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1.5x scale
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.