Finding the Fourth Proportional to 280,665.35, 387,727.99 and 242,873.99
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Solution
The fourth proportional to 280,665.35, 387,727.99 and 242,873.99 is: 335,520.73
Step by Step Solution
- Step 1: Write the proportion equation
280,665.35 : 387,727.99 = 242,873.99 : x - Step 2: Convert to fraction form
280,665.35/387,727.99 = 242,873.99/x - Step 3: Cross multiply
280,665.35x = 387,727.99 × 242,873.99 - Step 4: Simplify right side
280,665.35x = 94,169,041,420.16 - Step 5: Solve for x
x = 94,169,041,420.16/280,665.35 - Step 6: Final answer
x = 335,520.73
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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.