Finding the Fourth Proportional to 159,681.58, 239,688.52 and 117,609.17
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Solution
The fourth proportional to 159,681.58, 239,688.52 and 117,609.17 is: 176,536.12
Step by Step Solution
- Step 1: Write the proportion equation
159,681.58 : 239,688.52 = 117,609.17 : x - Step 2: Convert to fraction form
159,681.58/239,688.52 = 117,609.17/x - Step 3: Cross multiply
159,681.58x = 239,688.52 × 117,609.17 - Step 4: Simplify right side
159,681.58x = 28,189,566,403.26 - Step 5: Solve for x
x = 28,189,566,403.26/159,681.58 - Step 6: Final answer
x = 176,536.12
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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.