Finding the Fourth Proportional to 545,875.74, 753,351.84 and 300,904.07
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Solution
The fourth proportional to 545,875.74, 753,351.84 and 300,904.07 is: 415,271.49
Step by Step Solution
- Step 1: Write the proportion equation
545,875.74 : 753,351.84 = 300,904.07 : x - Step 2: Convert to fraction form
545,875.74/753,351.84 = 300,904.07/x - Step 3: Cross multiply
545,875.74x = 753,351.84 × 300,904.07 - Step 4: Simplify right side
545,875.74x = 226,686,631,031.23 - Step 5: Solve for x
x = 226,686,631,031.23/545,875.74 - Step 6: Final answer
x = 415,271.49
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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.