Finding the Fourth Proportional to 402,870.31, 604,318.97 and 122,386.75
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Solution
The fourth proportional to 402,870.31, 604,318.97 and 122,386.75 is: 183,584.23
Step by Step Solution
- Step 1: Write the proportion equation
402,870.31 : 604,318.97 = 122,386.75 : x - Step 2: Convert to fraction form
402,870.31/604,318.97 = 122,386.75/x - Step 3: Cross multiply
402,870.31x = 604,318.97 × 122,386.75 - Step 4: Simplify right side
402,870.31x = 73,960,634,701.65 - Step 5: Solve for x
x = 73,960,634,701.65/402,870.31 - Step 6: Final answer
x = 183,584.23
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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.