Finding the Fourth Proportional to 508,923.68, 763,161.33 and 239,128.59
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Solution
The fourth proportional to 508,923.68, 763,161.33 and 239,128.59 is: 358,587.53
Step by Step Solution
- Step 1: Write the proportion equation
508,923.68 : 763,161.33 = 239,128.59 : x - Step 2: Convert to fraction form
508,923.68/763,161.33 = 239,128.59/x - Step 3: Cross multiply
508,923.68x = 763,161.33 × 239,128.59 - Step 4: Simplify right side
508,923.68x = 182,493,687,773.98 - Step 5: Solve for x
x = 182,493,687,773.98/508,923.68 - Step 6: Final answer
x = 358,587.53
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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.