Finding the Fourth Proportional to 252,347.36, 348,239.70 and 137,626.28
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Solution
The fourth proportional to 252,347.36, 348,239.70 and 137,626.28 is: 189,924.45
Step by Step Solution
- Step 1: Write the proportion equation
252,347.36 : 348,239.70 = 137,626.28 : x - Step 2: Convert to fraction form
252,347.36/348,239.70 = 137,626.28/x - Step 3: Cross multiply
252,347.36x = 348,239.70 × 137,626.28 - Step 4: Simplify right side
252,347.36x = 47,926,934,459.32 - Step 5: Solve for x
x = 47,926,934,459.32/252,347.36 - Step 6: Final answer
x = 189,924.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.