Finding the Fourth Proportional to 187,430.94, 258,661.14 and 102,547.99
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Solution
The fourth proportional to 187,430.94, 258,661.14 and 102,547.99 is: 141,519.75
Step by Step Solution
- Step 1: Write the proportion equation
187,430.94 : 258,661.14 = 102,547.99 : x - Step 2: Convert to fraction form
187,430.94/258,661.14 = 102,547.99/x - Step 3: Cross multiply
187,430.94x = 258,661.14 × 102,547.99 - Step 4: Simplify right side
187,430.94x = 26,525,179,998.11 - Step 5: Solve for x
x = 26,525,179,998.11/187,430.94 - Step 6: Final answer
x = 141,519.75
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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.