Finding the Fourth Proportional to 249,405.70, 374,108.55 and 124,701.70
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Solution
The fourth proportional to 249,405.70, 374,108.55 and 124,701.70 is: 187,052.55
Step by Step Solution
- Step 1: Write the proportion equation
249,405.70 : 374,108.55 = 124,701.70 : x - Step 2: Convert to fraction form
249,405.70/374,108.55 = 124,701.70/x - Step 3: Cross multiply
249,405.70x = 374,108.55 × 124,701.70 - Step 4: Simplify right side
249,405.70x = 46,651,972,169.54 - Step 5: Solve for x
x = 46,651,972,169.54/249,405.70 - Step 6: Final answer
x = 187,052.55
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1.5x scale
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.