Finding the Fourth Proportional to 458,157.74, 632,278.98 and 286,177.53
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Solution
The fourth proportional to 458,157.74, 632,278.98 and 286,177.53 is: 394,938.29
Step by Step Solution
- Step 1: Write the proportion equation
458,157.74 : 632,278.98 = 286,177.53 : x - Step 2: Convert to fraction form
458,157.74/632,278.98 = 286,177.53/x - Step 3: Cross multiply
458,157.74x = 632,278.98 × 286,177.53 - Step 4: Simplify right side
458,157.74x = 180,944,033,323.11 - Step 5: Solve for x
x = 180,944,033,323.11/458,157.74 - Step 6: Final answer
x = 394,938.29
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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.