Finding the Fourth Proportional to 313,308.05, 432,374.79 and 184,223.21
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Solution
The fourth proportional to 313,308.05, 432,374.79 and 184,223.21 is: 254,233.72
Step by Step Solution
- Step 1: Write the proportion equation
313,308.05 : 432,374.79 = 184,223.21 : x - Step 2: Convert to fraction form
313,308.05/432,374.79 = 184,223.21/x - Step 3: Cross multiply
313,308.05x = 432,374.79 × 184,223.21 - Step 4: Simplify right side
313,308.05x = 79,653,471,143.56 - Step 5: Solve for x
x = 79,653,471,143.56/313,308.05 - Step 6: Final answer
x = 254,233.72
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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.