Finding the Fourth Proportional to 228,101.64, 314,774.10 and 127,519.08
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Solution
The fourth proportional to 228,101.64, 314,774.10 and 127,519.08 is: 175,972.88
Step by Step Solution
- Step 1: Write the proportion equation
228,101.64 : 314,774.10 = 127,519.08 : x - Step 2: Convert to fraction form
228,101.64/314,774.10 = 127,519.08/x - Step 3: Cross multiply
228,101.64x = 314,774.10 × 127,519.08 - Step 4: Simplify right side
228,101.64x = 40,139,703,639.83 - Step 5: Solve for x
x = 40,139,703,639.83/228,101.64 - Step 6: Final answer
x = 175,972.88
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1.5x scale
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.