Finding the Fourth Proportional to 313,281.07, 432,328.26 and 170,041.08
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Solution
The fourth proportional to 313,281.07, 432,328.26 and 170,041.08 is: 234,656.90
Step by Step Solution
- Step 1: Write the proportion equation
313,281.07 : 432,328.26 = 170,041.08 : x - Step 2: Convert to fraction form
313,281.07/432,328.26 = 170,041.08/x - Step 3: Cross multiply
313,281.07x = 432,328.26 × 170,041.08 - Step 4: Simplify right side
313,281.07x = 73,513,564,244.92 - Step 5: Solve for x
x = 73,513,564,244.92/313,281.07 - Step 6: Final answer
x = 234,656.90
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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.