Finding the Fourth Proportional to 228,239.24, 342,395.88 and 70,430.84
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Solution
The fourth proportional to 228,239.24, 342,395.88 and 70,430.84 is: 105,657.68
Step by Step Solution
- Step 1: Write the proportion equation
228,239.24 : 342,395.88 = 70,430.84 : x - Step 2: Convert to fraction form
228,239.24/342,395.88 = 70,430.84/x - Step 3: Cross multiply
228,239.24x = 342,395.88 × 70,430.84 - Step 4: Simplify right side
228,239.24x = 24,115,229,440.94 - Step 5: Solve for x
x = 24,115,229,440.94/228,239.24 - Step 6: Final answer
x = 105,657.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.