Finding the Fourth Proportional to 310,398.08, 465,033.28 and 239,434.88
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Solution
The fourth proportional to 310,398.08, 465,033.28 and 239,434.88 is: 358,717.39
Step by Step Solution
- Step 1: Write the proportion equation
310,398.08 : 465,033.28 = 239,434.88 : x - Step 2: Convert to fraction form
310,398.08/465,033.28 = 239,434.88/x - Step 3: Cross multiply
310,398.08x = 465,033.28 × 239,434.88 - Step 4: Simplify right side
310,398.08x = 111,345,187,592.81 - Step 5: Solve for x
x = 111,345,187,592.81/310,398.08 - Step 6: Final answer
x = 358,717.39
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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.