Finding the Fourth Proportional to 351,495.48, 526,888.16 and 138,412.92
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Solution
The fourth proportional to 351,495.48, 526,888.16 and 138,412.92 is: 207,479.56
Step by Step Solution
- Step 1: Write the proportion equation
351,495.48 : 526,888.16 = 138,412.92 : x - Step 2: Convert to fraction form
351,495.48/526,888.16 = 138,412.92/x - Step 3: Cross multiply
351,495.48x = 526,888.16 × 138,412.92 - Step 4: Simplify right side
351,495.48x = 72,928,128,046.96 - Step 5: Solve for x
x = 72,928,128,046.96/351,495.48 - Step 6: Final answer
x = 207,479.56
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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.