Finding the Fourth Proportional to 817,315.99, 1,226,020.10 and 248,715.63
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Solution
The fourth proportional to 817,315.99, 1,226,020.10 and 248,715.63 is: 373,087.47
Step by Step Solution
- Step 1: Write the proportion equation
817,315.99 : 1,226,020.10 = 248,715.63 : x - Step 2: Convert to fraction form
817,315.99/1,226,020.10 = 248,715.63/x - Step 3: Cross multiply
817,315.99x = 1,226,020.10 × 248,715.63 - Step 4: Simplify right side
817,315.99x = 304,930,355,434.06 - Step 5: Solve for x
x = 304,930,355,434.06/817,315.99 - Step 6: Final answer
x = 373,087.47
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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.