Finding the Fourth Proportional to 315,622.42, 473,592.02 and 147,155.94
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Solution
The fourth proportional to 315,622.42, 473,592.02 and 147,155.94 is: 220,807.75
Step by Step Solution
- Step 1: Write the proportion equation
315,622.42 : 473,592.02 = 147,155.94 : x - Step 2: Convert to fraction form
315,622.42/473,592.02 = 147,155.94/x - Step 3: Cross multiply
315,622.42x = 473,592.02 × 147,155.94 - Step 4: Simplify right side
315,622.42x = 69,691,878,143.82 - Step 5: Solve for x
x = 69,691,878,143.82/315,622.42 - Step 6: Final answer
x = 220,807.75
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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.