Finding the Fourth Proportional to 390,199.24, 585,237.76 and 123,924.68
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Solution
The fourth proportional to 390,199.24, 585,237.76 and 123,924.68 is: 185,867.62
Step by Step Solution
- Step 1: Write the proportion equation
390,199.24 : 585,237.76 = 123,924.68 : x - Step 2: Convert to fraction form
390,199.24/585,237.76 = 123,924.68/x - Step 3: Cross multiply
390,199.24x = 585,237.76 × 123,924.68 - Step 4: Simplify right side
390,199.24x = 72,525,402,131.92 - Step 5: Solve for x
x = 72,525,402,131.92/390,199.24 - Step 6: Final answer
x = 185,867.62
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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.