Finding the Fourth Proportional to 316,437.84, 474,657.12 and 116,671.68
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Solution
The fourth proportional to 316,437.84, 474,657.12 and 116,671.68 is: 175,007.65
Step by Step Solution
- Step 1: Write the proportion equation
316,437.84 : 474,657.12 = 116,671.68 : x - Step 2: Convert to fraction form
316,437.84/474,657.12 = 116,671.68/x - Step 3: Cross multiply
316,437.84x = 474,657.12 × 116,671.68 - Step 4: Simplify right side
316,437.84x = 55,379,043,614.36 - Step 5: Solve for x
x = 55,379,043,614.36/316,437.84 - Step 6: Final answer
x = 175,007.65
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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.