Finding the Fourth Proportional to 418,263.14, 577,206.80 and 227,276.54
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Solution
The fourth proportional to 418,263.14, 577,206.80 and 227,276.54 is: 313,643.62
Step by Step Solution
- Step 1: Write the proportion equation
418,263.14 : 577,206.80 = 227,276.54 : x - Step 2: Convert to fraction form
418,263.14/577,206.80 = 227,276.54/x - Step 3: Cross multiply
418,263.14x = 577,206.80 × 227,276.54 - Step 4: Simplify right side
418,263.14x = 131,185,564,368.47 - Step 5: Solve for x
x = 131,185,564,368.47/418,263.14 - Step 6: Final answer
x = 313,643.62
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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.