Finding the Fourth Proportional to 340,440.08, 469,778.28 and 189,551.12
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Solution
The fourth proportional to 340,440.08, 469,778.28 and 189,551.12 is: 261,564.38
Step by Step Solution
- Step 1: Write the proportion equation
340,440.08 : 469,778.28 = 189,551.12 : x - Step 2: Convert to fraction form
340,440.08/469,778.28 = 189,551.12/x - Step 3: Cross multiply
340,440.08x = 469,778.28 × 189,551.12 - Step 4: Simplify right side
340,440.08x = 89,046,999,125.67 - Step 5: Solve for x
x = 89,046,999,125.67/340,440.08 - Step 6: Final answer
x = 261,564.38
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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.