Finding the Fourth Proportional to 130,283.29, 195,276.70 and 55,356.67
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Solution
The fourth proportional to 130,283.29, 195,276.70 and 55,356.67 is: 82,972.02
Step by Step Solution
- Step 1: Write the proportion equation
130,283.29 : 195,276.70 = 55,356.67 : x - Step 2: Convert to fraction form
130,283.29/195,276.70 = 55,356.67/x - Step 3: Cross multiply
130,283.29x = 195,276.70 × 55,356.67 - Step 4: Simplify right side
130,283.29x = 10,809,867,840.59 - Step 5: Solve for x
x = 10,809,867,840.59/130,283.29 - Step 6: Final answer
x = 82,972.02
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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.