Finding the Fourth Proportional to 434,419.70, 651,629.55 and 299,117.30
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Solution
The fourth proportional to 434,419.70, 651,629.55 and 299,117.30 is: 448,675.95
Step by Step Solution
- Step 1: Write the proportion equation
434,419.70 : 651,629.55 = 299,117.30 : x - Step 2: Convert to fraction form
434,419.70/651,629.55 = 299,117.30/x - Step 3: Cross multiply
434,419.70x = 651,629.55 × 299,117.30 - Step 4: Simplify right side
434,419.70x = 194,913,671,596.22 - Step 5: Solve for x
x = 194,913,671,596.22/434,419.70 - Step 6: Final answer
x = 448,675.95
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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.