Finding the Fourth Proportional to 249,002.91, 343,625.09 and 135,828.09
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Solution
The fourth proportional to 249,002.91, 343,625.09 and 135,828.09 is: 187,443.35
Step by Step Solution
- Step 1: Write the proportion equation
249,002.91 : 343,625.09 = 135,828.09 : x - Step 2: Convert to fraction form
249,002.91/343,625.09 = 135,828.09/x - Step 3: Cross multiply
249,002.91x = 343,625.09 × 135,828.09 - Step 4: Simplify right side
249,002.91x = 46,673,938,971.64 - Step 5: Solve for x
x = 46,673,938,971.64/249,002.91 - Step 6: Final answer
x = 187,443.35
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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.