Finding the Fourth Proportional to 306,866.17, 423,459.24 and 170,897.65
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Solution
The fourth proportional to 306,866.17, 423,459.24 and 170,897.65 is: 235,829.80
Step by Step Solution
- Step 1: Write the proportion equation
306,866.17 : 423,459.24 = 170,897.65 : x - Step 2: Convert to fraction form
306,866.17/423,459.24 = 170,897.65/x - Step 3: Cross multiply
306,866.17x = 423,459.24 × 170,897.65 - Step 4: Simplify right side
306,866.17x = 72,368,188,248.57 - Step 5: Solve for x
x = 72,368,188,248.57/306,866.17 - Step 6: Final answer
x = 235,829.80
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1.5x scale
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.