Finding the Fourth Proportional to 296,606.58, 409,314.99 and 160,637.40
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Solution
The fourth proportional to 296,606.58, 409,314.99 and 160,637.40 is: 221,678.48
Step by Step Solution
- Step 1: Write the proportion equation
296,606.58 : 409,314.99 = 160,637.40 : x - Step 2: Convert to fraction form
296,606.58/409,314.99 = 160,637.40/x - Step 3: Cross multiply
296,606.58x = 409,314.99 × 160,637.40 - Step 4: Simplify right side
296,606.58x = 65,751,295,774.63 - Step 5: Solve for x
x = 65,751,295,774.63/296,606.58 - Step 6: Final answer
x = 221,678.48
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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.