Finding the Fourth Proportional to 402,468.24, 555,373.68 and 232,713.36
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Solution
The fourth proportional to 402,468.24, 555,373.68 and 232,713.36 is: 321,125.65
Step by Step Solution
- Step 1: Write the proportion equation
402,468.24 : 555,373.68 = 232,713.36 : x - Step 2: Convert to fraction form
402,468.24/555,373.68 = 232,713.36/x - Step 3: Cross multiply
402,468.24x = 555,373.68 × 232,713.36 - Step 4: Simplify right side
402,468.24x = 129,242,875,128.37 - Step 5: Solve for x
x = 129,242,875,128.37/402,468.24 - Step 6: Final answer
x = 321,125.65
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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.