Finding the Fourth Proportional to 230,772.84, 318,466.35 and 130,170.84
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Solution
The fourth proportional to 230,772.84, 318,466.35 and 130,170.84 is: 179,635.66
Step by Step Solution
- Step 1: Write the proportion equation
230,772.84 : 318,466.35 = 130,170.84 : x - Step 2: Convert to fraction form
230,772.84/318,466.35 = 130,170.84/x - Step 3: Cross multiply
230,772.84x = 318,466.35 × 130,170.84 - Step 4: Simplify right side
230,772.84x = 41,455,032,291.23 - Step 5: Solve for x
x = 41,455,032,291.23/230,772.84 - Step 6: Final answer
x = 179,635.66
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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.