Finding the Fourth Proportional to 418,307.80, 577,263.20 and 237,054.26
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Solution
The fourth proportional to 418,307.80, 577,263.20 and 237,054.26 is: 327,133.99
Step by Step Solution
- Step 1: Write the proportion equation
418,307.80 : 577,263.20 = 237,054.26 : x - Step 2: Convert to fraction form
418,307.80/577,263.20 = 237,054.26/x - Step 3: Cross multiply
418,307.80x = 577,263.20 × 237,054.26 - Step 4: Simplify right side
418,307.80x = 136,842,700,701.23 - Step 5: Solve for x
x = 136,842,700,701.23/418,307.80 - Step 6: Final answer
x = 327,133.99
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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.