Finding the Fourth Proportional to 402,521.04, 555,473.16 and 232,770.96
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Solution
The fourth proportional to 402,521.04, 555,473.16 and 232,770.96 is: 321,220.53
Step by Step Solution
- Step 1: Write the proportion equation
402,521.04 : 555,473.16 = 232,770.96 : x - Step 2: Convert to fraction form
402,521.04/555,473.16 = 232,770.96/x - Step 3: Cross multiply
402,521.04x = 555,473.16 × 232,770.96 - Step 4: Simplify right side
402,521.04x = 129,298,020,707.43 - Step 5: Solve for x
x = 129,298,020,707.43/402,521.04 - Step 6: Final answer
x = 321,220.53
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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.