Finding the Fourth Proportional to 159,804.08, 239,616.12 and 53,130.80
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Solution
The fourth proportional to 159,804.08, 239,616.12 and 53,130.80 is: 79,666.28
Step by Step Solution
- Step 1: Write the proportion equation
159,804.08 : 239,616.12 = 53,130.80 : x - Step 2: Convert to fraction form
159,804.08/239,616.12 = 53,130.80/x - Step 3: Cross multiply
159,804.08x = 239,616.12 × 53,130.80 - Step 4: Simplify right side
159,804.08x = 12,730,996,148.50 - Step 5: Solve for x
x = 12,730,996,148.50/159,804.08 - Step 6: Final answer
x = 79,666.28
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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.