Finding the Fourth Proportional to 355,973.13, 534,045.35 and 145,611.68
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Solution
The fourth proportional to 355,973.13, 534,045.35 and 145,611.68 is: 218,452.55
Step by Step Solution
- Step 1: Write the proportion equation
355,973.13 : 534,045.35 = 145,611.68 : x - Step 2: Convert to fraction form
355,973.13/534,045.35 = 145,611.68/x - Step 3: Cross multiply
355,973.13x = 534,045.35 × 145,611.68 - Step 4: Simplify right side
355,973.13x = 77,763,238,303.49 - Step 5: Solve for x
x = 77,763,238,303.49/355,973.13 - Step 6: Final answer
x = 218,452.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.