Finding the Fourth Proportional to 313,403.12, 432,452.76 and 184,347.44
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Solution
The fourth proportional to 313,403.12, 432,452.76 and 184,347.44 is: 254,373.85
Step by Step Solution
- Step 1: Write the proportion equation
313,403.12 : 432,452.76 = 184,347.44 : x - Step 2: Convert to fraction form
313,403.12/432,452.76 = 184,347.44/x - Step 3: Cross multiply
313,403.12x = 432,452.76 × 184,347.44 - Step 4: Simplify right side
313,403.12x = 79,721,559,226.93 - Step 5: Solve for x
x = 79,721,559,226.93/313,403.12 - Step 6: Final answer
x = 254,373.85
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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.