Finding the Fourth Proportional to 472,888.08, 709,439.04 and 157,357.44
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Solution
The fourth proportional to 472,888.08, 709,439.04 and 157,357.44 is: 236,071.74
Step by Step Solution
- Step 1: Write the proportion equation
472,888.08 : 709,439.04 = 157,357.44 : x - Step 2: Convert to fraction form
472,888.08/709,439.04 = 157,357.44/x - Step 3: Cross multiply
472,888.08x = 709,439.04 × 157,357.44 - Step 4: Simplify right side
472,888.08x = 111,635,511,170.46 - Step 5: Solve for x
x = 111,635,511,170.46/472,888.08 - Step 6: Final answer
x = 236,071.74
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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.