Finding the Fourth Proportional to 374,774.63, 517,438.46 and 221,862.02
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Solution
The fourth proportional to 374,774.63, 517,438.46 and 221,862.02 is: 306,317.27
Step by Step Solution
- Step 1: Write the proportion equation
374,774.63 : 517,438.46 = 221,862.02 : x - Step 2: Convert to fraction form
374,774.63/517,438.46 = 221,862.02/x - Step 3: Cross multiply
374,774.63x = 517,438.46 × 221,862.02 - Step 4: Simplify right side
374,774.63x = 114,799,939,928.75 - Step 5: Solve for x
x = 114,799,939,928.75/374,774.63 - Step 6: Final answer
x = 306,317.27
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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.