Finding the Fourth Proportional to 382,497.02, 527,864.55 and 212,727.50
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Solution
The fourth proportional to 382,497.02, 527,864.55 and 212,727.50 is: 293,574.33
Step by Step Solution
- Step 1: Write the proportion equation
382,497.02 : 527,864.55 = 212,727.50 : x - Step 2: Convert to fraction form
382,497.02/527,864.55 = 212,727.50/x - Step 3: Cross multiply
382,497.02x = 527,864.55 × 212,727.50 - Step 4: Simplify right side
382,497.02x = 112,291,306,060.13 - Step 5: Solve for x
x = 112,291,306,060.13/382,497.02 - Step 6: Final answer
x = 293,574.33
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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.