Finding the Fourth Proportional to 307,919.08, 424,970.58 and 180,635.68
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Solution
The fourth proportional to 307,919.08, 424,970.58 and 180,635.68 is: 249,302.02
Step by Step Solution
- Step 1: Write the proportion equation
307,919.08 : 424,970.58 = 180,635.68 : x - Step 2: Convert to fraction form
307,919.08/424,970.58 = 180,635.68/x - Step 3: Cross multiply
307,919.08x = 424,970.58 × 180,635.68 - Step 4: Simplify right side
307,919.08x = 76,764,849,698.29 - Step 5: Solve for x
x = 76,764,849,698.29/307,919.08 - Step 6: Final answer
x = 249,302.02
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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.