Finding the Fourth Proportional to 239,779.04, 330,874.12 and 153,585.96
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Solution
The fourth proportional to 239,779.04, 330,874.12 and 153,585.96 is: 211,935.20
Step by Step Solution
- Step 1: Write the proportion equation
239,779.04 : 330,874.12 = 153,585.96 : x - Step 2: Convert to fraction form
239,779.04/330,874.12 = 153,585.96/x - Step 3: Cross multiply
239,779.04x = 330,874.12 × 153,585.96 - Step 4: Simplify right side
239,779.04x = 50,817,619,359.36 - Step 5: Solve for x
x = 50,817,619,359.36/239,779.04 - Step 6: Final answer
x = 211,935.20
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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.