Finding the Fourth Proportional to 152,393.74, 228,678.12 and 119,020.12
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Solution
The fourth proportional to 152,393.74, 228,678.12 and 119,020.12 is: 178,598.52
Step by Step Solution
- Step 1: Write the proportion equation
152,393.74 : 228,678.12 = 119,020.12 : x - Step 2: Convert to fraction form
152,393.74/228,678.12 = 119,020.12/x - Step 3: Cross multiply
152,393.74x = 228,678.12 × 119,020.12 - Step 4: Simplify right side
152,393.74x = 27,217,296,712.08 - Step 5: Solve for x
x = 27,217,296,712.08/152,393.74 - Step 6: Final answer
x = 178,598.52
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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.