Finding the Fourth Proportional to 310,748.13, 465,374.51 and 210,604.49
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Solution
The fourth proportional to 310,748.13, 465,374.51 and 210,604.49 is: 315,400.00
Step by Step Solution
- Step 1: Write the proportion equation
310,748.13 : 465,374.51 = 210,604.49 : x - Step 2: Convert to fraction form
310,748.13/465,374.51 = 210,604.49/x - Step 3: Cross multiply
310,748.13x = 465,374.51 × 210,604.49 - Step 4: Simplify right side
310,748.13x = 98,009,961,337.55 - Step 5: Solve for x
x = 98,009,961,337.55/310,748.13 - Step 6: Final answer
x = 315,400.00
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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.