Finding the Fourth Proportional to 370,331.08, 555,525.42 and 121,038.28
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Solution
The fourth proportional to 370,331.08, 555,525.42 and 121,038.28 is: 181,566.83
Step by Step Solution
- Step 1: Write the proportion equation
370,331.08 : 555,525.42 = 121,038.28 : x - Step 2: Convert to fraction form
370,331.08/555,525.42 = 121,038.28/x - Step 3: Cross multiply
370,331.08x = 555,525.42 × 121,038.28 - Step 4: Simplify right side
370,331.08x = 67,239,841,333.08 - Step 5: Solve for x
x = 67,239,841,333.08/370,331.08 - Step 6: Final answer
x = 181,566.83
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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.