Finding the Fourth Proportional to 302,652.74, 417,629.87 and 186,347.74
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Solution
The fourth proportional to 302,652.74, 417,629.87 and 186,347.74 is: 257,140.85
Step by Step Solution
- Step 1: Write the proportion equation
302,652.74 : 417,629.87 = 186,347.74 : x - Step 2: Convert to fraction form
302,652.74/417,629.87 = 186,347.74/x - Step 3: Cross multiply
302,652.74x = 417,629.87 × 186,347.74 - Step 4: Simplify right side
302,652.74x = 77,824,381,386.92 - Step 5: Solve for x
x = 77,824,381,386.92/302,652.74 - Step 6: Final answer
x = 257,140.85
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1.5x scale
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.