Finding the Fourth Proportional to 249,501.52, 344,308.08 and 136,321.84
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Solution
The fourth proportional to 249,501.52, 344,308.08 and 136,321.84 is: 188,121.94
Step by Step Solution
- Step 1: Write the proportion equation
249,501.52 : 344,308.08 = 136,321.84 : x - Step 2: Convert to fraction form
249,501.52/344,308.08 = 136,321.84/x - Step 3: Cross multiply
249,501.52x = 344,308.08 × 136,321.84 - Step 4: Simplify right side
249,501.52x = 46,936,710,992.47 - Step 5: Solve for x
x = 46,936,710,992.47/249,501.52 - Step 6: Final answer
x = 188,121.94
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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.