Finding the Fourth Proportional to 409,603.84, 565,265.28 and 239,822.08
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Solution
The fourth proportional to 409,603.84, 565,265.28 and 239,822.08 is: 330,961.49
Step by Step Solution
- Step 1: Write the proportion equation
409,603.84 : 565,265.28 = 239,822.08 : x - Step 2: Convert to fraction form
409,603.84/565,265.28 = 239,822.08/x - Step 3: Cross multiply
409,603.84x = 565,265.28 × 239,822.08 - Step 4: Simplify right side
409,603.84x = 135,563,095,201.38 - Step 5: Solve for x
x = 135,563,095,201.38/409,603.84 - Step 6: Final answer
x = 330,961.49
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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.