Finding the Fourth Proportional to 279,140.42, 385,089.44 and 186,027.08
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Solution
The fourth proportional to 279,140.42, 385,089.44 and 186,027.08 is: 256,634.51
Step by Step Solution
- Step 1: Write the proportion equation
279,140.42 : 385,089.44 = 186,027.08 : x - Step 2: Convert to fraction form
279,140.42/385,089.44 = 186,027.08/x - Step 3: Cross multiply
279,140.42x = 385,089.44 × 186,027.08 - Step 4: Simplify right side
279,140.42x = 71,637,064,062.04 - Step 5: Solve for x
x = 71,637,064,062.04/279,140.42 - Step 6: Final answer
x = 256,634.51
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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.