Finding the Fourth Proportional to 249,423.40, 374,135.10 and 235,645.30
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Solution
The fourth proportional to 249,423.40, 374,135.10 and 235,645.30 is: 353,467.95
Step by Step Solution
- Step 1: Write the proportion equation
249,423.40 : 374,135.10 = 235,645.30 : x - Step 2: Convert to fraction form
249,423.40/374,135.10 = 235,645.30/x - Step 3: Cross multiply
249,423.40x = 374,135.10 × 235,645.30 - Step 4: Simplify right side
249,423.40x = 88,163,177,880.03 - Step 5: Solve for x
x = 88,163,177,880.03/249,423.40 - Step 6: Final answer
x = 353,467.95
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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.