Finding the Fourth Proportional to 249,299.46, 344,033.01 and 136,122.21
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Solution
The fourth proportional to 249,299.46, 344,033.01 and 136,122.21 is: 187,848.52
Step by Step Solution
- Step 1: Write the proportion equation
249,299.46 : 344,033.01 = 136,122.21 : x - Step 2: Convert to fraction form
249,299.46/344,033.01 = 136,122.21/x - Step 3: Cross multiply
249,299.46x = 344,033.01 × 136,122.21 - Step 4: Simplify right side
249,299.46x = 46,830,533,634.15 - Step 5: Solve for x
x = 46,830,533,634.15/249,299.46 - Step 6: Final answer
x = 187,848.52
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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.