Finding the Fourth Proportional to 320,652.06, 442,430.91 and 193,324.92
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Solution
The fourth proportional to 320,652.06, 442,430.91 and 193,324.92 is: 266,746.83
Step by Step Solution
- Step 1: Write the proportion equation
320,652.06 : 442,430.91 = 193,324.92 : x - Step 2: Convert to fraction form
320,652.06/442,430.91 = 193,324.92/x - Step 3: Cross multiply
320,652.06x = 442,430.91 × 193,324.92 - Step 4: Simplify right side
320,652.06x = 85,532,920,281.28 - Step 5: Solve for x
x = 85,532,920,281.28/320,652.06 - Step 6: Final answer
x = 266,746.83
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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.