Finding the Fourth Proportional to 170,430.56, 235,194.96 and 98,852.96
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Solution
The fourth proportional to 170,430.56, 235,194.96 and 98,852.96 is: 136,417.54
Step by Step Solution
- Step 1: Write the proportion equation
170,430.56 : 235,194.96 = 98,852.96 : x - Step 2: Convert to fraction form
170,430.56/235,194.96 = 98,852.96/x - Step 3: Cross multiply
170,430.56x = 235,194.96 × 98,852.96 - Step 4: Simplify right side
170,430.56x = 23,249,717,973.08 - Step 5: Solve for x
x = 23,249,717,973.08/170,430.56 - Step 6: Final answer
x = 136,417.54
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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.