Finding the Fourth Proportional to 296,779.84, 409,547.28 and 169,430.56
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Solution
The fourth proportional to 296,779.84, 409,547.28 and 169,430.56 is: 233,809.09
Step by Step Solution
- Step 1: Write the proportion equation
296,779.84 : 409,547.28 = 169,430.56 : x - Step 2: Convert to fraction form
296,779.84/409,547.28 = 169,430.56/x - Step 3: Cross multiply
296,779.84x = 409,547.28 × 169,430.56 - Step 4: Simplify right side
296,779.84x = 69,389,824,996.88 - Step 5: Solve for x
x = 69,389,824,996.88/296,779.84 - Step 6: Final answer
x = 233,809.09
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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.