Finding the Fourth Proportional to 275,466.18, 413,228.07 and 97,989.54
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Solution
The fourth proportional to 275,466.18, 413,228.07 and 97,989.54 is: 146,994.55
Step by Step Solution
- Step 1: Write the proportion equation
275,466.18 : 413,228.07 = 97,989.54 : x - Step 2: Convert to fraction form
275,466.18/413,228.07 = 97,989.54/x - Step 3: Cross multiply
275,466.18x = 413,228.07 × 97,989.54 - Step 4: Simplify right side
275,466.18x = 40,492,028,494.39 - Step 5: Solve for x
x = 40,492,028,494.39/275,466.18 - Step 6: Final answer
x = 146,994.55
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1.5x scale
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.