Finding the Fourth Proportional to 360,011.68, 496,444.01 and 309,192.68
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Solution
The fourth proportional to 360,011.68, 496,444.01 and 309,192.68 is: 426,366.32
Step by Step Solution
- Step 1: Write the proportion equation
360,011.68 : 496,444.01 = 309,192.68 : x - Step 2: Convert to fraction form
360,011.68/496,444.01 = 309,192.68/x - Step 3: Cross multiply
360,011.68x = 496,444.01 × 309,192.68 - Step 4: Simplify right side
360,011.68x = 153,496,853,616.99 - Step 5: Solve for x
x = 153,496,853,616.99/360,011.68 - Step 6: Final answer
x = 426,366.32
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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.