Finding the Fourth Proportional to 133,574.23, 184,332.77 and 72,321.09
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Solution
The fourth proportional to 133,574.23, 184,332.77 and 72,321.09 is: 99,803.28
Step by Step Solution
- Step 1: Write the proportion equation
133,574.23 : 184,332.77 = 72,321.09 : x - Step 2: Convert to fraction form
133,574.23/184,332.77 = 72,321.09/x - Step 3: Cross multiply
133,574.23x = 184,332.77 × 72,321.09 - Step 4: Simplify right side
133,574.23x = 13,331,146,849.12 - Step 5: Solve for x
x = 13,331,146,849.12/133,574.23 - Step 6: Final answer
x = 99,803.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.