Finding the Fourth Proportional to 302,529.74, 416,934.91 and 283,332.43
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Solution
The fourth proportional to 302,529.74, 416,934.91 and 283,332.43 is: 390,477.92
Step by Step Solution
- Step 1: Write the proportion equation
302,529.74 : 416,934.91 = 283,332.43 : x - Step 2: Convert to fraction form
302,529.74/416,934.91 = 283,332.43/x - Step 3: Cross multiply
302,529.74x = 416,934.91 × 283,332.43 - Step 4: Simplify right side
302,529.74x = 118,131,182,077.47 - Step 5: Solve for x
x = 118,131,182,077.47/302,529.74 - Step 6: Final answer
x = 390,477.92
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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.