Finding the Fourth Proportional to 155,373.66, 214,293.84 and 106,344.34
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Solution
The fourth proportional to 155,373.66, 214,293.84 and 106,344.34 is: 146,671.82
Step by Step Solution
- Step 1: Write the proportion equation
155,373.66 : 214,293.84 = 106,344.34 : x - Step 2: Convert to fraction form
155,373.66/214,293.84 = 106,344.34/x - Step 3: Cross multiply
155,373.66x = 214,293.84 × 106,344.34 - Step 4: Simplify right side
155,373.66x = 22,788,936,980.87 - Step 5: Solve for x
x = 22,788,936,980.87/155,373.66 - Step 6: Final answer
x = 146,671.82
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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.