Finding the Fourth Proportional to 188,630.18, 260,417.28 and 125,054.08
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Solution
The fourth proportional to 188,630.18, 260,417.28 and 125,054.08 is: 172,645.99
Step by Step Solution
- Step 1: Write the proportion equation
188,630.18 : 260,417.28 = 125,054.08 : x - Step 2: Convert to fraction form
188,630.18/260,417.28 = 125,054.08/x - Step 3: Cross multiply
188,630.18x = 260,417.28 × 125,054.08 - Step 4: Simplify right side
188,630.18x = 32,566,243,366.50 - Step 5: Solve for x
x = 32,566,243,366.50/188,630.18 - Step 6: Final answer
x = 172,645.99
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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.