Finding the Fourth Proportional to 197,145.96, 272,054.91 and 124,587.62
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Solution
The fourth proportional to 197,145.96, 272,054.91 and 124,587.62 is: 171,926.80
Step by Step Solution
- Step 1: Write the proportion equation
197,145.96 : 272,054.91 = 124,587.62 : x - Step 2: Convert to fraction form
197,145.96/272,054.91 = 124,587.62/x - Step 3: Cross multiply
197,145.96x = 272,054.91 × 124,587.62 - Step 4: Simplify right side
197,145.96x = 33,894,673,746.21 - Step 5: Solve for x
x = 33,894,673,746.21/197,145.96 - Step 6: Final answer
x = 171,926.80
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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.