Finding the Fourth Proportional to 367,886.81, 507,638.24 and 212,864.75
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Solution
The fourth proportional to 367,886.81, 507,638.24 and 212,864.75 is: 293,726.99
Step by Step Solution
- Step 1: Write the proportion equation
367,886.81 : 507,638.24 = 212,864.75 : x - Step 2: Convert to fraction form
367,886.81/507,638.24 = 212,864.75/x - Step 3: Cross multiply
367,886.81x = 507,638.24 × 212,864.75 - Step 4: Simplify right side
367,886.81x = 108,058,283,445.53 - Step 5: Solve for x
x = 108,058,283,445.53/367,886.81 - Step 6: Final answer
x = 293,726.99
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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.