Finding the Fourth Proportional to 170,699.07, 235,455.07 and 103,631.07
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Solution
The fourth proportional to 170,699.07, 235,455.07 and 103,631.07 is: 142,944.31
Step by Step Solution
- Step 1: Write the proportion equation
170,699.07 : 235,455.07 = 103,631.07 : x - Step 2: Convert to fraction form
170,699.07/235,455.07 = 103,631.07/x - Step 3: Cross multiply
170,699.07x = 235,455.07 × 103,631.07 - Step 4: Simplify right side
170,699.07x = 24,400,460,841.02 - Step 5: Solve for x
x = 24,400,460,841.02/170,699.07 - Step 6: Final answer
x = 142,944.31
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1.5x scale
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.