Finding the Fourth Proportional to 114,448.35, 157,937.95 and 63,461.06
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Solution
The fourth proportional to 114,448.35, 157,937.95 and 63,461.06 is: 87,575.83
Step by Step Solution
- Step 1: Write the proportion equation
114,448.35 : 157,937.95 = 63,461.06 : x - Step 2: Convert to fraction form
114,448.35/157,937.95 = 63,461.06/x - Step 3: Cross multiply
114,448.35x = 157,937.95 × 63,461.06 - Step 4: Simplify right side
114,448.35x = 10,022,909,721.23 - Step 5: Solve for x
x = 10,022,909,721.23/114,448.35 - Step 6: Final answer
x = 87,575.83
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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.