Finding the Fourth Proportional to 423,086.32, 634,032.79 and 233,631.99
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Solution
The fourth proportional to 423,086.32, 634,032.79 and 233,631.99 is: 350,118.49
Step by Step Solution
- Step 1: Write the proportion equation
423,086.32 : 634,032.79 = 233,631.99 : x - Step 2: Convert to fraction form
423,086.32/634,032.79 = 233,631.99/x - Step 3: Cross multiply
423,086.32x = 634,032.79 × 233,631.99 - Step 4: Simplify right side
423,086.32x = 148,130,342,452.95 - Step 5: Solve for x
x = 148,130,342,452.95/423,086.32 - Step 6: Final answer
x = 350,118.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.