Finding the Fourth Proportional to 425,210.28, 586,831.68 and 317,593.68
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Solution
The fourth proportional to 425,210.28, 586,831.68 and 317,593.68 is: 438,310.27
Step by Step Solution
- Step 1: Write the proportion equation
425,210.28 : 586,831.68 = 317,593.68 : x - Step 2: Convert to fraction form
425,210.28/586,831.68 = 317,593.68/x - Step 3: Cross multiply
425,210.28x = 586,831.68 × 317,593.68 - Step 4: Simplify right side
425,210.28x = 186,374,032,791.78 - Step 5: Solve for x
x = 186,374,032,791.78/425,210.28 - Step 6: Final answer
x = 438,310.27
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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.