Finding the Fourth Proportional to 353,516.24, 530,275.45 and 87,276.79
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Solution
The fourth proportional to 353,516.24, 530,275.45 and 87,276.79 is: 130,915.45
Step by Step Solution
- Step 1: Write the proportion equation
353,516.24 : 530,275.45 = 87,276.79 : x - Step 2: Convert to fraction form
353,516.24/530,275.45 = 87,276.79/x - Step 3: Cross multiply
353,516.24x = 530,275.45 × 87,276.79 - Step 4: Simplify right side
353,516.24x = 46,280,739,091.81 - Step 5: Solve for x
x = 46,280,739,091.81/353,516.24 - Step 6: Final answer
x = 130,915.45
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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.