Finding the Fourth Proportional to 570,787.17, 856,106.78 and 215,754.99
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Solution
The fourth proportional to 570,787.17, 856,106.78 and 215,754.99 is: 323,604.52
Step by Step Solution
- Step 1: Write the proportion equation
570,787.17 : 856,106.78 = 215,754.99 : x - Step 2: Convert to fraction form
570,787.17/856,106.78 = 215,754.99/x - Step 3: Cross multiply
570,787.17x = 856,106.78 × 215,754.99 - Step 4: Simplify right side
570,787.17x = 184,709,308,679.06 - Step 5: Solve for x
x = 184,709,308,679.06/570,787.17 - Step 6: Final answer
x = 323,604.52
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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.