Finding the Fourth Proportional to 366,646.37, 549,985.95 and 100,400.99
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Solution
The fourth proportional to 366,646.37, 549,985.95 and 100,400.99 is: 150,605.97
Step by Step Solution
- Step 1: Write the proportion equation
366,646.37 : 549,985.95 = 100,400.99 : x - Step 2: Convert to fraction form
366,646.37/549,985.95 = 100,400.99/x - Step 3: Cross multiply
366,646.37x = 549,985.95 × 100,400.99 - Step 4: Simplify right side
366,646.37x = 55,219,131,116.16 - Step 5: Solve for x
x = 55,219,131,116.16/366,646.37 - Step 6: Final answer
x = 150,605.97
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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.