Finding the Fourth Proportional to 686,398.80, 1,029,735.48 and 237,136.08
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Solution
The fourth proportional to 686,398.80, 1,029,735.48 and 237,136.08 is: 355,751.55
Step by Step Solution
- Step 1: Write the proportion equation
686,398.80 : 1,029,735.48 = 237,136.08 : x - Step 2: Convert to fraction form
686,398.80/1,029,735.48 = 237,136.08/x - Step 3: Cross multiply
686,398.80x = 1,029,735.48 × 237,136.08 - Step 4: Simplify right side
686,398.80x = 244,187,435,164.12 - Step 5: Solve for x
x = 244,187,435,164.12/686,398.80 - Step 6: Final answer
x = 355,751.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.