Finding the Fourth Proportional to 170,501.69, 235,305.17 and 98,881.07
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Solution
The fourth proportional to 170,501.69, 235,305.17 and 98,881.07 is: 136,463.32
Step by Step Solution
- Step 1: Write the proportion equation
170,501.69 : 235,305.17 = 98,881.07 : x - Step 2: Convert to fraction form
170,501.69/235,305.17 = 98,881.07/x - Step 3: Cross multiply
170,501.69x = 235,305.17 × 98,881.07 - Step 4: Simplify right side
170,501.69x = 23,267,226,491.73 - Step 5: Solve for x
x = 23,267,226,491.73/170,501.69 - Step 6: Final answer
x = 136,463.32
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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.