Finding the Fourth Proportional to 230,815.14, 346,219.10 and 118,430.49
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Solution
The fourth proportional to 230,815.14, 346,219.10 and 118,430.49 is: 177,643.88
Step by Step Solution
- Step 1: Write the proportion equation
230,815.14 : 346,219.10 = 118,430.49 : x - Step 2: Convert to fraction form
230,815.14/346,219.10 = 118,430.49/x - Step 3: Cross multiply
230,815.14x = 346,219.10 × 118,430.49 - Step 4: Simplify right side
230,815.14x = 41,002,897,068.21 - Step 5: Solve for x
x = 41,002,897,068.21/230,815.14 - Step 6: Final answer
x = 177,643.88
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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.