Finding the Fourth Proportional to 249,951.33, 344,933.06 and 136,774.08
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Solution
The fourth proportional to 249,951.33, 344,933.06 and 136,774.08 is: 188,748.35
Step by Step Solution
- Step 1: Write the proportion equation
249,951.33 : 344,933.06 = 136,774.08 : x - Step 2: Convert to fraction form
249,951.33/344,933.06 = 136,774.08/x - Step 3: Cross multiply
249,951.33x = 344,933.06 × 136,774.08 - Step 4: Simplify right side
249,951.33x = 47,177,901,943.08 - Step 5: Solve for x
x = 47,177,901,943.08/249,951.33 - Step 6: Final answer
x = 188,748.35
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1.5x scale
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.