Finding the Fourth Proportional to 249,660.19, 344,531.07 and 136,482.94
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Solution
The fourth proportional to 249,660.19, 344,531.07 and 136,482.94 is: 188,346.46
Step by Step Solution
- Step 1: Write the proportion equation
249,660.19 : 344,531.07 = 136,482.94 : x - Step 2: Convert to fraction form
249,660.19/344,531.07 = 136,482.94/x - Step 3: Cross multiply
249,660.19x = 344,531.07 × 136,482.94 - Step 4: Simplify right side
249,660.19x = 47,022,613,354.95 - Step 5: Solve for x
x = 47,022,613,354.95/249,660.19 - Step 6: Final answer
x = 188,346.46
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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.