Finding the Fourth Proportional to 388,864.26, 583,344.99 and 152,176.32
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Solution
The fourth proportional to 388,864.26, 583,344.99 and 152,176.32 is: 228,283.50
Step by Step Solution
- Step 1: Write the proportion equation
388,864.26 : 583,344.99 = 152,176.32 : x - Step 2: Convert to fraction form
388,864.26/583,344.99 = 152,176.32/x - Step 3: Cross multiply
388,864.26x = 583,344.99 × 152,176.32 - Step 4: Simplify right side
388,864.26x = 88,771,293,868.64 - Step 5: Solve for x
x = 88,771,293,868.64/388,864.26 - Step 6: Final answer
x = 228,283.50
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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.