Finding the Fourth Proportional to 703,312.65, 1,054,968.99 and 170,830.09
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Solution
The fourth proportional to 703,312.65, 1,054,968.99 and 170,830.09 is: 256,245.14
Step by Step Solution
- Step 1: Write the proportion equation
703,312.65 : 1,054,968.99 = 170,830.09 : x - Step 2: Convert to fraction form
703,312.65/1,054,968.99 = 170,830.09/x - Step 3: Cross multiply
703,312.65x = 1,054,968.99 × 170,830.09 - Step 4: Simplify right side
703,312.65x = 180,220,444,444.41 - Step 5: Solve for x
x = 180,220,444,444.41/703,312.65 - Step 6: Final answer
x = 256,245.14
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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.