Finding the Fourth Proportional to 302,986.07, 418,101.99 and 167,012.99
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Solution
The fourth proportional to 302,986.07, 418,101.99 and 167,012.99 is: 230,467.57
Step by Step Solution
- Step 1: Write the proportion equation
302,986.07 : 418,101.99 = 167,012.99 : x - Step 2: Convert to fraction form
302,986.07/418,101.99 = 167,012.99/x - Step 3: Cross multiply
302,986.07x = 418,101.99 × 167,012.99 - Step 4: Simplify right side
302,986.07x = 69,828,461,384.34 - Step 5: Solve for x
x = 69,828,461,384.34/302,986.07 - Step 6: Final answer
x = 230,467.57
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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.