Finding the Fourth Proportional to 374,405.13, 516,619.35 and 213,263.37
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Solution
The fourth proportional to 374,405.13, 516,619.35 and 213,263.37 is: 294,269.43
Step by Step Solution
- Step 1: Write the proportion equation
374,405.13 : 516,619.35 = 213,263.37 : x - Step 2: Convert to fraction form
374,405.13/516,619.35 = 213,263.37/x - Step 3: Cross multiply
374,405.13x = 516,619.35 × 213,263.37 - Step 4: Simplify right side
374,405.13x = 110,175,983,588.21 - Step 5: Solve for x
x = 110,175,983,588.21/374,405.13 - Step 6: Final answer
x = 294,269.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.