Finding the Fourth Proportional to 313,270.05, 432,313.05 and 170,030.13
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Solution
The fourth proportional to 313,270.05, 432,313.05 and 170,030.13 is: 234,641.79
Step by Step Solution
- Step 1: Write the proportion equation
313,270.05 : 432,313.05 = 170,030.13 : x - Step 2: Convert to fraction form
313,270.05/432,313.05 = 170,030.13/x - Step 3: Cross multiply
313,270.05x = 432,313.05 × 170,030.13 - Step 4: Simplify right side
313,270.05x = 73,506,244,092.20 - Step 5: Solve for x
x = 73,506,244,092.20/313,270.05 - Step 6: Final answer
x = 234,641.79
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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.