Finding the Fourth Proportional to 152,303.99, 228,491.02 and 51,115.47
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Solution
The fourth proportional to 152,303.99, 228,491.02 and 51,115.47 is: 76,684.95
Step by Step Solution
- Step 1: Write the proportion equation
152,303.99 : 228,491.02 = 51,115.47 : x - Step 2: Convert to fraction form
152,303.99/228,491.02 = 51,115.47/x - Step 3: Cross multiply
152,303.99x = 228,491.02 × 51,115.47 - Step 4: Simplify right side
152,303.99x = 11,679,424,480.05 - Step 5: Solve for x
x = 11,679,424,480.05/152,303.99 - Step 6: Final answer
x = 76,684.95
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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.