Finding the Fourth Proportional to 318,352.74, 477,726.75 and 185,292.42
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Solution
The fourth proportional to 318,352.74, 477,726.75 and 185,292.42 is: 278,053.66
Step by Step Solution
- Step 1: Write the proportion equation
318,352.74 : 477,726.75 = 185,292.42 : x - Step 2: Convert to fraction form
318,352.74/477,726.75 = 185,292.42/x - Step 3: Cross multiply
318,352.74x = 477,726.75 × 185,292.42 - Step 4: Simplify right side
318,352.74x = 88,519,145,606.24 - Step 5: Solve for x
x = 88,519,145,606.24/318,352.74 - Step 6: Final answer
x = 278,053.66
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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.