Finding the Fourth Proportional to 473,286.36, 653,161.74 and 258,446.40
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Solution
The fourth proportional to 473,286.36, 653,161.74 and 258,446.40 is: 356,670.54
Step by Step Solution
- Step 1: Write the proportion equation
473,286.36 : 653,161.74 = 258,446.40 : x - Step 2: Convert to fraction form
473,286.36/653,161.74 = 258,446.40/x - Step 3: Cross multiply
473,286.36x = 653,161.74 × 258,446.40 - Step 4: Simplify right side
473,286.36x = 168,807,300,320.74 - Step 5: Solve for x
x = 168,807,300,320.74/473,286.36 - Step 6: Final answer
x = 356,670.54
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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.