Finding the Fourth Proportional to 249,631.20, 374,446.80 and 124,927.20
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Solution
The fourth proportional to 249,631.20, 374,446.80 and 124,927.20 is: 187,390.80
Step by Step Solution
- Step 1: Write the proportion equation
249,631.20 : 374,446.80 = 124,927.20 : x - Step 2: Convert to fraction form
249,631.20/374,446.80 = 124,927.20/x - Step 3: Cross multiply
249,631.20x = 374,446.80 × 124,927.20 - Step 4: Simplify right side
249,631.20x = 46,778,590,272.96 - Step 5: Solve for x
x = 46,778,590,272.96/249,631.20 - Step 6: Final answer
x = 187,390.80
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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.