Finding the Fourth Proportional to 187,403.95, 258,619.49 and 102,519.19
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Solution
The fourth proportional to 187,403.95, 258,619.49 and 102,519.19 is: 141,477.60
Step by Step Solution
- Step 1: Write the proportion equation
187,403.95 : 258,619.49 = 102,519.19 : x - Step 2: Convert to fraction form
187,403.95/258,619.49 = 102,519.19/x - Step 3: Cross multiply
187,403.95x = 258,619.49 × 102,519.19 - Step 4: Simplify right side
187,403.95x = 26,513,460,633.01 - Step 5: Solve for x
x = 26,513,460,633.01/187,403.95 - Step 6: Final answer
x = 141,477.60
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1.5x scale
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.