Finding the Fourth Proportional to 287,130.30, 430,501.05 and 152,216.70
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Solution
The fourth proportional to 287,130.30, 430,501.05 and 152,216.70 is: 228,221.99
Step by Step Solution
- Step 1: Write the proportion equation
287,130.30 : 430,501.05 = 152,216.70 : x - Step 2: Convert to fraction form
287,130.30/430,501.05 = 152,216.70/x - Step 3: Cross multiply
287,130.30x = 430,501.05 × 152,216.70 - Step 4: Simplify right side
287,130.30x = 65,529,449,177.54 - Step 5: Solve for x
x = 65,529,449,177.54/287,130.30 - Step 6: Final answer
x = 228,221.99
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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.