Finding the Fourth Proportional to 337,878.68, 506,817.96 and 155,491.08
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Solution
The fourth proportional to 337,878.68, 506,817.96 and 155,491.08 is: 233,236.59
Step by Step Solution
- Step 1: Write the proportion equation
337,878.68 : 506,817.96 = 155,491.08 : x - Step 2: Convert to fraction form
337,878.68/506,817.96 = 155,491.08/x - Step 3: Cross multiply
337,878.68x = 506,817.96 × 155,491.08 - Step 4: Simplify right side
337,878.68x = 78,805,671,963.80 - Step 5: Solve for x
x = 78,805,671,963.80/337,878.68 - Step 6: Final answer
x = 233,236.59
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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.