Finding the Fourth Proportional to 130,461.67, 195,766.35 and 55,574.02
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Solution
The fourth proportional to 130,461.67, 195,766.35 and 55,574.02 is: 83,392.49
Step by Step Solution
- Step 1: Write the proportion equation
130,461.67 : 195,766.35 = 55,574.02 : x - Step 2: Convert to fraction form
130,461.67/195,766.35 = 55,574.02/x - Step 3: Cross multiply
130,461.67x = 195,766.35 × 55,574.02 - Step 4: Simplify right side
130,461.67x = 10,879,523,050.23 - Step 5: Solve for x
x = 10,879,523,050.23/130,461.67 - Step 6: Final answer
x = 83,392.49
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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.