Finding the Fourth Proportional to 159,784.48, 239,448.26 and 117,331.50
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Solution
The fourth proportional to 159,784.48, 239,448.26 and 117,331.50 is: 175,829.49
Step by Step Solution
- Step 1: Write the proportion equation
159,784.48 : 239,448.26 = 117,331.50 : x - Step 2: Convert to fraction form
159,784.48/239,448.26 = 117,331.50/x - Step 3: Cross multiply
159,784.48x = 239,448.26 × 117,331.50 - Step 4: Simplify right side
159,784.48x = 28,094,823,518.19 - Step 5: Solve for x
x = 28,094,823,518.19/159,784.48 - Step 6: Final answer
x = 175,829.49
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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.