Finding the Fourth Proportional to 458,125.76, 632,211.36 and 256,921.76
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Solution
The fourth proportional to 458,125.76, 632,211.36 and 256,921.76 is: 354,550.80
Step by Step Solution
- Step 1: Write the proportion equation
458,125.76 : 632,211.36 = 256,921.76 : x - Step 2: Convert to fraction form
458,125.76/632,211.36 = 256,921.76/x - Step 3: Cross multiply
458,125.76x = 632,211.36 × 256,921.76 - Step 4: Simplify right side
458,125.76x = 162,428,855,303.19 - Step 5: Solve for x
x = 162,428,855,303.19/458,125.76 - Step 6: Final answer
x = 354,550.80
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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.