Finding the Fourth Proportional to 313,394.03, 432,483.74 and 170,154.09
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Solution
The fourth proportional to 313,394.03, 432,483.74 and 170,154.09 is: 234,812.63
Step by Step Solution
- Step 1: Write the proportion equation
313,394.03 : 432,483.74 = 170,154.09 : x - Step 2: Convert to fraction form
313,394.03/432,483.74 = 170,154.09/x - Step 3: Cross multiply
313,394.03x = 432,483.74 × 170,154.09 - Step 4: Simplify right side
313,394.03x = 73,588,877,219.50 - Step 5: Solve for x
x = 73,588,877,219.50/313,394.03 - Step 6: Final answer
x = 234,812.63
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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.