Finding the Fourth Proportional to 249,041.69, 343,676.77 and 135,863.63
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Solution
The fourth proportional to 249,041.69, 343,676.77 and 135,863.63 is: 187,491.39
Step by Step Solution
- Step 1: Write the proportion equation
249,041.69 : 343,676.77 = 135,863.63 : x - Step 2: Convert to fraction form
249,041.69/343,676.77 = 135,863.63/x - Step 3: Cross multiply
249,041.69x = 343,676.77 × 135,863.63 - Step 4: Simplify right side
249,041.69x = 46,693,171,460.83 - Step 5: Solve for x
x = 46,693,171,460.83/249,041.69 - Step 6: Final answer
x = 187,491.39
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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.