Finding the Fourth Proportional to 512,266.08, 706,923.36 and 282,823.32
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Solution
The fourth proportional to 512,266.08, 706,923.36 and 282,823.32 is: 390,294.07
Step by Step Solution
- Step 1: Write the proportion equation
512,266.08 : 706,923.36 = 282,823.32 : x - Step 2: Convert to fraction form
512,266.08/706,923.36 = 282,823.32/x - Step 3: Cross multiply
512,266.08x = 706,923.36 × 282,823.32 - Step 4: Simplify right side
512,266.08x = 199,934,411,660.76 - Step 5: Solve for x
x = 199,934,411,660.76/512,266.08 - Step 6: Final answer
x = 390,294.07
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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.