Finding the Fourth Proportional to 313,270.08, 432,313.19 and 170,030.18
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Solution
The fourth proportional to 313,270.08, 432,313.19 and 170,030.18 is: 234,641.90
Step by Step Solution
- Step 1: Write the proportion equation
313,270.08 : 432,313.19 = 170,030.18 : x - Step 2: Convert to fraction form
313,270.08/432,313.19 = 170,030.18/x - Step 3: Cross multiply
313,270.08x = 432,313.19 × 170,030.18 - Step 4: Simplify right side
313,270.08x = 73,506,286,500.36 - Step 5: Solve for x
x = 73,506,286,500.36/313,270.08 - Step 6: Final answer
x = 234,641.90
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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.