Finding the Fourth Proportional to 97,243.74, 134,207.15 and 56,416.91
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Solution
The fourth proportional to 97,243.74, 134,207.15 and 56,416.91 is: 77,861.59
Step by Step Solution
- Step 1: Write the proportion equation
97,243.74 : 134,207.15 = 56,416.91 : x - Step 2: Convert to fraction form
97,243.74/134,207.15 = 56,416.91/x - Step 3: Cross multiply
97,243.74x = 134,207.15 × 56,416.91 - Step 4: Simplify right side
97,243.74x = 7,571,551,749.79 - Step 5: Solve for x
x = 7,571,551,749.79/97,243.74 - Step 6: Final answer
x = 77,861.59
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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.