Finding the Fourth Proportional to 282,931.75, 424,391.48 and 133,088.99
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Solution
The fourth proportional to 282,931.75, 424,391.48 and 133,088.99 is: 199,630.59
Step by Step Solution
- Step 1: Write the proportion equation
282,931.75 : 424,391.48 = 133,088.99 : x - Step 2: Convert to fraction form
282,931.75/424,391.48 = 133,088.99/x - Step 3: Cross multiply
282,931.75x = 424,391.48 × 133,088.99 - Step 4: Simplify right side
282,931.75x = 56,481,832,772.36 - Step 5: Solve for x
x = 56,481,832,772.36/282,931.75 - Step 6: Final answer
x = 199,630.59
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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.