Finding the Fourth Proportional to 405,407.84, 608,177.08 and 124,924.96
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Solution
The fourth proportional to 405,407.84, 608,177.08 and 124,924.96 is: 187,407.57
Step by Step Solution
- Step 1: Write the proportion equation
405,407.84 : 608,177.08 = 124,924.96 : x - Step 2: Convert to fraction form
405,407.84/608,177.08 = 124,924.96/x - Step 3: Cross multiply
405,407.84x = 608,177.08 × 124,924.96 - Step 4: Simplify right side
405,407.84x = 75,976,497,391.92 - Step 5: Solve for x
x = 75,976,497,391.92/405,407.84 - Step 6: Final answer
x = 187,407.57
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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.