Finding the Fourth Proportional to 249,287.84, 344,025.36 and 136,119.20
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Solution
The fourth proportional to 249,287.84, 344,025.36 and 136,119.20 is: 187,848.94
Step by Step Solution
- Step 1: Write the proportion equation
249,287.84 : 344,025.36 = 136,119.20 : x - Step 2: Convert to fraction form
249,287.84/344,025.36 = 136,119.20/x - Step 3: Cross multiply
249,287.84x = 344,025.36 × 136,119.20 - Step 4: Simplify right side
249,287.84x = 46,828,456,782.91 - Step 5: Solve for x
x = 46,828,456,782.91/249,287.84 - Step 6: Final answer
x = 187,848.94
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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.