Finding the Fourth Proportional to 479,430.16, 719,466.27 and 198,947.68
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Solution
The fourth proportional to 479,430.16, 719,466.27 and 198,947.68 is: 298,554.74
Step by Step Solution
- Step 1: Write the proportion equation
479,430.16 : 719,466.27 = 198,947.68 : x - Step 2: Convert to fraction form
479,430.16/719,466.27 = 198,947.68/x - Step 3: Cross multiply
479,430.16x = 719,466.27 × 198,947.68 - Step 4: Simplify right side
479,430.16x = 143,136,145,254.75 - Step 5: Solve for x
x = 143,136,145,254.75/479,430.16 - Step 6: Final answer
x = 298,554.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.