Finding the Fourth Proportional to 418,378.24, 577,347.84 and 239,495.68
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Solution
The fourth proportional to 418,378.24, 577,347.84 and 239,495.68 is: 330,495.95
Step by Step Solution
- Step 1: Write the proportion equation
418,378.24 : 577,347.84 = 239,495.68 : x - Step 2: Convert to fraction form
418,378.24/577,347.84 = 239,495.68/x - Step 3: Cross multiply
418,378.24x = 577,347.84 × 239,495.68 - Step 4: Simplify right side
418,378.24x = 138,272,313,537.33 - Step 5: Solve for x
x = 138,272,313,537.33/418,378.24 - Step 6: Final answer
x = 330,495.95
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1.5x scale
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.