Finding the Fourth Proportional to 302,886.74, 417,986.56 and 166,925.66
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Solution
The fourth proportional to 302,886.74, 417,986.56 and 166,925.66 is: 230,358.99
Step by Step Solution
- Step 1: Write the proportion equation
302,886.74 : 417,986.56 = 166,925.66 : x - Step 2: Convert to fraction form
302,886.74/417,986.56 = 166,925.66/x - Step 3: Cross multiply
302,886.74x = 417,986.56 × 166,925.66 - Step 4: Simplify right side
302,886.74x = 69,772,682,399.13 - Step 5: Solve for x
x = 69,772,682,399.13/302,886.74 - Step 6: Final answer
x = 230,358.99
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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.