Finding the Fourth Proportional to 251,201.70, 376,802.55 and 84,989.70
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Solution
The fourth proportional to 251,201.70, 376,802.55 and 84,989.70 is: 127,484.55
Step by Step Solution
- Step 1: Write the proportion equation
251,201.70 : 376,802.55 = 84,989.70 : x - Step 2: Convert to fraction form
251,201.70/376,802.55 = 84,989.70/x - Step 3: Cross multiply
251,201.70x = 376,802.55 × 84,989.70 - Step 4: Simplify right side
251,201.70x = 32,024,335,683.74 - Step 5: Solve for x
x = 32,024,335,683.74/251,201.70 - Step 6: Final answer
x = 127,484.55
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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.