Finding the Fourth Proportional to 319,066.74, 440,315.01 and 175,831.92
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Solution
The fourth proportional to 319,066.74, 440,315.01 and 175,831.92 is: 242,649.65
Step by Step Solution
- Step 1: Write the proportion equation
319,066.74 : 440,315.01 = 175,831.92 : x - Step 2: Convert to fraction form
319,066.74/440,315.01 = 175,831.92/x - Step 3: Cross multiply
319,066.74x = 440,315.01 × 175,831.92 - Step 4: Simplify right side
319,066.74x = 77,421,433,613.12 - Step 5: Solve for x
x = 77,421,433,613.12/319,066.74 - Step 6: Final answer
x = 242,649.65
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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.