Finding the Fourth Proportional to 366,468.15, 549,301.28 and 129,688.95
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Solution
The fourth proportional to 366,468.15, 549,301.28 and 129,688.95 is: 194,391.53
Step by Step Solution
- Step 1: Write the proportion equation
366,468.15 : 549,301.28 = 129,688.95 : x - Step 2: Convert to fraction form
366,468.15/549,301.28 = 129,688.95/x - Step 3: Cross multiply
366,468.15x = 549,301.28 × 129,688.95 - Step 4: Simplify right side
366,468.15x = 71,238,305,588.41 - Step 5: Solve for x
x = 71,238,305,588.41/366,468.15 - Step 6: Final answer
x = 194,391.53
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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.