Finding the Fourth Proportional to 325,123.52, 487,726.81 and 125,500.99
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Solution
The fourth proportional to 325,123.52, 487,726.81 and 125,500.99 is: 188,267.51
Step by Step Solution
- Step 1: Write the proportion equation
325,123.52 : 487,726.81 = 125,500.99 : x - Step 2: Convert to fraction form
325,123.52/487,726.81 = 125,500.99/x - Step 3: Cross multiply
325,123.52x = 487,726.81 × 125,500.99 - Step 4: Simplify right side
325,123.52x = 61,210,195,971.47 - Step 5: Solve for x
x = 61,210,195,971.47/325,123.52 - Step 6: Final answer
x = 188,267.51
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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.