Finding the Fourth Proportional to 516,313.31, 712,507.19 and 283,744.08
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Solution
The fourth proportional to 516,313.31, 712,507.19 and 283,744.08 is: 391,563.99
Step by Step Solution
- Step 1: Write the proportion equation
516,313.31 : 712,507.19 = 283,744.08 : x - Step 2: Convert to fraction form
516,313.31/712,507.19 = 283,744.08/x - Step 3: Cross multiply
516,313.31x = 712,507.19 × 283,744.08 - Step 4: Simplify right side
516,313.31x = 202,169,695,701.22 - Step 5: Solve for x
x = 202,169,695,701.22/516,313.31 - Step 6: Final answer
x = 391,563.99
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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.