Finding the Fourth Proportional to 518,565.84, 716,216.73 and 346,183.68
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Solution
The fourth proportional to 518,565.84, 716,216.73 and 346,183.68 is: 478,131.27
Step by Step Solution
- Step 1: Write the proportion equation
518,565.84 : 716,216.73 = 346,183.68 : x - Step 2: Convert to fraction form
518,565.84/716,216.73 = 346,183.68/x - Step 3: Cross multiply
518,565.84x = 716,216.73 × 346,183.68 - Step 4: Simplify right side
518,565.84x = 247,942,543,268.97 - Step 5: Solve for x
x = 247,942,543,268.97/518,565.84 - Step 6: Final answer
x = 478,131.27
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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.