Finding the Fourth Proportional to 458,957.31, 688,007.94 and 155,140.08
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Solution
The fourth proportional to 458,957.31, 688,007.94 and 155,140.08 is: 232,565.44
Step by Step Solution
- Step 1: Write the proportion equation
458,957.31 : 688,007.94 = 155,140.08 : x - Step 2: Convert to fraction form
458,957.31/688,007.94 = 155,140.08/x - Step 3: Cross multiply
458,957.31x = 688,007.94 × 155,140.08 - Step 4: Simplify right side
458,957.31x = 106,737,606,852.24 - Step 5: Solve for x
x = 106,737,606,852.24/458,957.31 - Step 6: Final answer
x = 232,565.44
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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.