Finding the Fourth Proportional to 187,409.68, 258,631.58 and 102,526.74
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Solution
The fourth proportional to 187,409.68, 258,631.58 and 102,526.74 is: 141,490.31
Step by Step Solution
- Step 1: Write the proportion equation
187,409.68 : 258,631.58 = 102,526.74 : x - Step 2: Convert to fraction form
187,409.68/258,631.58 = 102,526.74/x - Step 3: Cross multiply
187,409.68x = 258,631.58 × 102,526.74 - Step 4: Simplify right side
187,409.68x = 26,516,653,014.77 - Step 5: Solve for x
x = 26,516,653,014.77/187,409.68 - Step 6: Final answer
x = 141,490.31
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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.