Finding the Fourth Proportional to 107,455.60, 148,246.28 and 62,125.28
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Solution
The fourth proportional to 107,455.60, 148,246.28 and 62,125.28 is: 85,708.35
Step by Step Solution
- Step 1: Write the proportion equation
107,455.60 : 148,246.28 = 62,125.28 : x - Step 2: Convert to fraction form
107,455.60/148,246.28 = 62,125.28/x - Step 3: Cross multiply
107,455.60x = 148,246.28 × 62,125.28 - Step 4: Simplify right side
107,455.60x = 9,209,841,653.96 - Step 5: Solve for x
x = 9,209,841,653.96/107,455.60 - Step 6: Final answer
x = 85,708.35
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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.