Finding the Fourth Proportional to 363,140.70, 544,054.95 and 310,652.70
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Solution
The fourth proportional to 363,140.70, 544,054.95 and 310,652.70 is: 465,417.78
Step by Step Solution
- Step 1: Write the proportion equation
363,140.70 : 544,054.95 = 310,652.70 : x - Step 2: Convert to fraction form
363,140.70/544,054.95 = 310,652.70/x - Step 3: Cross multiply
363,140.70x = 544,054.95 × 310,652.70 - Step 4: Simplify right side
363,140.70x = 169,012,139,165.87 - Step 5: Solve for x
x = 169,012,139,165.87/363,140.70 - Step 6: Final answer
x = 465,417.78
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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.