Finding the Fourth Proportional to 249,894.39, 344,853.23 and 135,173.10
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Solution
The fourth proportional to 249,894.39, 344,853.23 and 135,173.10 is: 186,538.32
Step by Step Solution
- Step 1: Write the proportion equation
249,894.39 : 344,853.23 = 135,173.10 : x - Step 2: Convert to fraction form
249,894.39/344,853.23 = 135,173.10/x - Step 3: Cross multiply
249,894.39x = 344,853.23 × 135,173.10 - Step 4: Simplify right side
249,894.39x = 46,614,879,468.25 - Step 5: Solve for x
x = 46,614,879,468.25/249,894.39 - Step 6: Final answer
x = 186,538.32
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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.