Finding the Fourth Proportional to 186,726.10, 257,637.68 and 106,147.24
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Solution
The fourth proportional to 186,726.10, 257,637.68 and 106,147.24 is: 146,457.99
Step by Step Solution
- Step 1: Write the proportion equation
186,726.10 : 257,637.68 = 106,147.24 : x - Step 2: Convert to fraction form
186,726.10/257,637.68 = 106,147.24/x - Step 3: Cross multiply
186,726.10x = 257,637.68 × 106,147.24 - Step 4: Simplify right side
186,726.10x = 27,347,528,652.00 - Step 5: Solve for x
x = 27,347,528,652.00/186,726.10 - Step 6: Final answer
x = 146,457.99
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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.