Finding the Fourth Proportional to 306,866.67, 423,459.93 and 170,898.15
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Solution
The fourth proportional to 306,866.67, 423,459.93 and 170,898.15 is: 235,830.49
Step by Step Solution
- Step 1: Write the proportion equation
306,866.67 : 423,459.93 = 170,898.15 : x - Step 2: Convert to fraction form
306,866.67/423,459.93 = 170,898.15/x - Step 3: Cross multiply
306,866.67x = 423,459.93 × 170,898.15 - Step 4: Simplify right side
306,866.67x = 72,368,518,636.13 - Step 5: Solve for x
x = 72,368,518,636.13/306,866.67 - Step 6: Final answer
x = 235,830.49
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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.