Finding the Fourth Proportional to 274,364.66, 378,637.95 and 153,498.74
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Solution
The fourth proportional to 274,364.66, 378,637.95 and 153,498.74 is: 211,836.50
Step by Step Solution
- Step 1: Write the proportion equation
274,364.66 : 378,637.95 = 153,498.74 : x - Step 2: Convert to fraction form
274,364.66/378,637.95 = 153,498.74/x - Step 3: Cross multiply
274,364.66x = 378,637.95 × 153,498.74 - Step 4: Simplify right side
274,364.66x = 58,120,448,241.18 - Step 5: Solve for x
x = 58,120,448,241.18/274,364.66 - Step 6: Final answer
x = 211,836.50
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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.