Finding the Fourth Proportional to 260,102.21, 390,153.30 and 73,113.71
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Solution
The fourth proportional to 260,102.21, 390,153.30 and 73,113.71 is: 109,670.56
Step by Step Solution
- Step 1: Write the proportion equation
260,102.21 : 390,153.30 = 73,113.71 : x - Step 2: Convert to fraction form
260,102.21/390,153.30 = 73,113.71/x - Step 3: Cross multiply
260,102.21x = 390,153.30 × 73,113.71 - Step 4: Simplify right side
260,102.21x = 28,525,553,280.98 - Step 5: Solve for x
x = 28,525,553,280.98/260,102.21 - Step 6: Final answer
x = 109,670.56
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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.