Finding the Fourth Proportional to 402,073.16, 601,602.27 and 239,372.09
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Solution
The fourth proportional to 402,073.16, 601,602.27 and 239,372.09 is: 358,160.67
Step by Step Solution
- Step 1: Write the proportion equation
402,073.16 : 601,602.27 = 239,372.09 : x - Step 2: Convert to fraction form
402,073.16/601,602.27 = 239,372.09/x - Step 3: Cross multiply
402,073.16x = 601,602.27 × 239,372.09 - Step 4: Simplify right side
402,073.16x = 144,006,789,710.63 - Step 5: Solve for x
x = 144,006,789,710.63/402,073.16 - Step 6: Final answer
x = 358,160.67
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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.