Finding the Fourth Proportional to 472,604.48, 652,199.28 and 257,742.80
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Solution
The fourth proportional to 472,604.48, 652,199.28 and 257,742.80 is: 355,687.84
Step by Step Solution
- Step 1: Write the proportion equation
472,604.48 : 652,199.28 = 257,742.80 : x - Step 2: Convert to fraction form
472,604.48/652,199.28 = 257,742.80/x - Step 3: Cross multiply
472,604.48x = 652,199.28 × 257,742.80 - Step 4: Simplify right side
472,604.48x = 168,099,668,585.18 - Step 5: Solve for x
x = 168,099,668,585.18/472,604.48 - Step 6: Final answer
x = 355,687.84
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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.