Finding the Fourth Proportional to 436,753.84, 602,713.08 and 245,767.12
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Solution
The fourth proportional to 436,753.84, 602,713.08 and 245,767.12 is: 339,154.56
Step by Step Solution
- Step 1: Write the proportion equation
436,753.84 : 602,713.08 = 245,767.12 : x - Step 2: Convert to fraction form
436,753.84/602,713.08 = 245,767.12/x - Step 3: Cross multiply
436,753.84x = 602,713.08 × 245,767.12 - Step 4: Simplify right side
436,753.84x = 148,127,057,857.93 - Step 5: Solve for x
x = 148,127,057,857.93/436,753.84 - Step 6: Final answer
x = 339,154.56
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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.