Finding the Fourth Proportional to 229,765.99, 317,030.12 and 134,254.23
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Solution
The fourth proportional to 229,765.99, 317,030.12 and 134,254.23 is: 185,243.40
Step by Step Solution
- Step 1: Write the proportion equation
229,765.99 : 317,030.12 = 134,254.23 : x - Step 2: Convert to fraction form
229,765.99/317,030.12 = 134,254.23/x - Step 3: Cross multiply
229,765.99x = 317,030.12 × 134,254.23 - Step 4: Simplify right side
229,765.99x = 42,562,632,390.99 - Step 5: Solve for x
x = 42,562,632,390.99/229,765.99 - Step 6: Final answer
x = 185,243.40
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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.