Finding the Fourth Proportional to 353,515.24, 530,273.95 and 87,275.79
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Solution
The fourth proportional to 353,515.24, 530,273.95 and 87,275.79 is: 130,913.95
Step by Step Solution
- Step 1: Write the proportion equation
353,515.24 : 530,273.95 = 87,275.79 : x - Step 2: Convert to fraction form
353,515.24/530,273.95 = 87,275.79/x - Step 3: Cross multiply
353,515.24x = 530,273.95 × 87,275.79 - Step 4: Simplify right side
353,515.24x = 46,280,076,806.74 - Step 5: Solve for x
x = 46,280,076,806.74/353,515.24 - Step 6: Final answer
x = 130,913.95
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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.