Finding the Fourth Proportional to 520,167.68, 780,476.88 and 183,448.96
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Solution
The fourth proportional to 520,167.68, 780,476.88 and 183,448.96 is: 275,252.92
Step by Step Solution
- Step 1: Write the proportion equation
520,167.68 : 780,476.88 = 183,448.96 : x - Step 2: Convert to fraction form
520,167.68/780,476.88 = 183,448.96/x - Step 3: Cross multiply
520,167.68x = 780,476.88 × 183,448.96 - Step 4: Simplify right side
520,167.68x = 143,177,671,940.05 - Step 5: Solve for x
x = 143,177,671,940.05/520,167.68 - Step 6: Final answer
x = 275,252.92
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1.5x scale
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.