Finding the Fourth Proportional to 250,831.24, 346,124.20 and 148,839.14
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Solution
The fourth proportional to 250,831.24, 346,124.20 and 148,839.14 is: 205,384.42
Step by Step Solution
- Step 1: Write the proportion equation
250,831.24 : 346,124.20 = 148,839.14 : x - Step 2: Convert to fraction form
250,831.24/346,124.20 = 148,839.14/x - Step 3: Cross multiply
250,831.24x = 346,124.20 × 148,839.14 - Step 4: Simplify right side
250,831.24x = 51,516,828,261.19 - Step 5: Solve for x
x = 51,516,828,261.19/250,831.24 - Step 6: Final answer
x = 205,384.42
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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.