Finding the Fourth Proportional to 531,473.60, 797,074.14 and 157,409.12
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Solution
The fourth proportional to 531,473.60, 797,074.14 and 157,409.12 is: 236,073.32
Step by Step Solution
- Step 1: Write the proportion equation
531,473.60 : 797,074.14 = 157,409.12 : x - Step 2: Convert to fraction form
531,473.60/797,074.14 = 157,409.12/x - Step 3: Cross multiply
531,473.60x = 797,074.14 × 157,409.12 - Step 4: Simplify right side
531,473.60x = 125,466,738,952.16 - Step 5: Solve for x
x = 125,466,738,952.16/531,473.60 - Step 6: Final answer
x = 236,073.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.