Finding the Fourth Proportional to 367,859.12, 507,705.68 and 306,507.92
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Solution
The fourth proportional to 367,859.12, 507,705.68 and 306,507.92 is: 423,031.00
Step by Step Solution
- Step 1: Write the proportion equation
367,859.12 : 507,705.68 = 306,507.92 : x - Step 2: Convert to fraction form
367,859.12/507,705.68 = 306,507.92/x - Step 3: Cross multiply
367,859.12x = 507,705.68 × 306,507.92 - Step 4: Simplify right side
367,859.12x = 155,615,811,948.99 - Step 5: Solve for x
x = 155,615,811,948.99/367,859.12 - Step 6: Final answer
x = 423,031.00
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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.