Finding the Fourth Proportional to 140,148.99, 210,289.08 and 61,252.95
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Solution
The fourth proportional to 140,148.99, 210,289.08 and 61,252.95 is: 91,908.09
Step by Step Solution
- Step 1: Write the proportion equation
140,148.99 : 210,289.08 = 61,252.95 : x - Step 2: Convert to fraction form
140,148.99/210,289.08 = 61,252.95/x - Step 3: Cross multiply
140,148.99x = 210,289.08 × 61,252.95 - Step 4: Simplify right side
140,148.99x = 12,880,826,502.79 - Step 5: Solve for x
x = 12,880,826,502.79/140,148.99 - Step 6: Final answer
x = 91,908.09
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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.