Finding the Fourth Proportional to 631,903.14, 872,183.03 and 360,132.21
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Solution
The fourth proportional to 631,903.14, 872,183.03 and 360,132.21 is: 497,071.75
Step by Step Solution
- Step 1: Write the proportion equation
631,903.14 : 872,183.03 = 360,132.21 : x - Step 2: Convert to fraction form
631,903.14/872,183.03 = 360,132.21/x - Step 3: Cross multiply
631,903.14x = 872,183.03 × 360,132.21 - Step 4: Simplify right side
631,903.14x = 314,101,200,317.74 - Step 5: Solve for x
x = 314,101,200,317.74/631,903.14 - Step 6: Final answer
x = 497,071.75
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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.