Finding the Fourth Proportional to 229,267.79, 316,427.21 and 133,774.26
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Solution
The fourth proportional to 229,267.79, 316,427.21 and 133,774.26 is: 184,630.45
Step by Step Solution
- Step 1: Write the proportion equation
229,267.79 : 316,427.21 = 133,774.26 : x - Step 2: Convert to fraction form
229,267.79/316,427.21 = 133,774.26/x - Step 3: Cross multiply
229,267.79x = 316,427.21 × 133,774.26 - Step 4: Simplify right side
229,267.79x = 42,329,815,861.61 - Step 5: Solve for x
x = 42,329,815,861.61/229,267.79 - Step 6: Final answer
x = 184,630.45
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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.