Finding the Fourth Proportional to 567,259.08, 782,817.66 and 309,136.10
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Solution
The fourth proportional to 567,259.08, 782,817.66 and 309,136.10 is: 426,607.88
Step by Step Solution
- Step 1: Write the proportion equation
567,259.08 : 782,817.66 = 309,136.10 : x - Step 2: Convert to fraction form
567,259.08/782,817.66 = 309,136.10/x - Step 3: Cross multiply
567,259.08x = 782,817.66 × 309,136.10 - Step 4: Simplify right side
567,259.08x = 241,997,194,509.44 - Step 5: Solve for x
x = 241,997,194,509.44/567,259.08 - Step 6: Final answer
x = 426,607.88
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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.