Finding the Fourth Proportional to 361,606.20, 542,409.30 and 249,631.80
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Solution
The fourth proportional to 361,606.20, 542,409.30 and 249,631.80 is: 374,447.70
Step by Step Solution
- Step 1: Write the proportion equation
361,606.20 : 542,409.30 = 249,631.80 : x - Step 2: Convert to fraction form
361,606.20/542,409.30 = 249,631.80/x - Step 3: Cross multiply
361,606.20x = 542,409.30 × 249,631.80 - Step 4: Simplify right side
361,606.20x = 135,402,609,895.74 - Step 5: Solve for x
x = 135,402,609,895.74/361,606.20 - Step 6: Final answer
x = 374,447.70
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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.