Finding the Fourth Proportional to 518,116.36, 776,970.40 and 251,798.08
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Solution
The fourth proportional to 518,116.36, 776,970.40 and 251,798.08 is: 377,597.91
Step by Step Solution
- Step 1: Write the proportion equation
518,116.36 : 776,970.40 = 251,798.08 : x - Step 2: Convert to fraction form
518,116.36/776,970.40 = 251,798.08/x - Step 3: Cross multiply
518,116.36x = 776,970.40 × 251,798.08 - Step 4: Simplify right side
518,116.36x = 195,639,654,936.83 - Step 5: Solve for x
x = 195,639,654,936.83/518,116.36 - Step 6: Final answer
x = 377,597.91
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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.