Finding the Fourth Proportional to 249,388.40, 343,800.24 and 153,831.08
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Solution
The fourth proportional to 249,388.40, 343,800.24 and 153,831.08 is: 212,067.45
Step by Step Solution
- Step 1: Write the proportion equation
249,388.40 : 343,800.24 = 153,831.08 : x - Step 2: Convert to fraction form
249,388.40/343,800.24 = 153,831.08/x - Step 3: Cross multiply
249,388.40x = 343,800.24 × 153,831.08 - Step 4: Simplify right side
249,388.40x = 52,887,162,223.46 - Step 5: Solve for x
x = 52,887,162,223.46/249,388.40 - Step 6: Final answer
x = 212,067.45
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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.