Finding the Fourth Proportional to 402,088.76, 554,895.42 and 232,322.84
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Solution
The fourth proportional to 402,088.76, 554,895.42 and 232,322.84 is: 320,612.99
Step by Step Solution
- Step 1: Write the proportion equation
402,088.76 : 554,895.42 = 232,322.84 : x - Step 2: Convert to fraction form
402,088.76/554,895.42 = 232,322.84/x - Step 3: Cross multiply
402,088.76x = 554,895.42 × 232,322.84 - Step 4: Simplify right side
402,088.76x = 128,914,879,877.39 - Step 5: Solve for x
x = 128,914,879,877.39/402,088.76 - Step 6: Final answer
x = 320,612.99
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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.