Finding the Fourth Proportional to 152,692.15, 228,988.06 and 51,463.05
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Solution
The fourth proportional to 152,692.15, 228,988.06 and 51,463.05 is: 77,177.67
Step by Step Solution
- Step 1: Write the proportion equation
152,692.15 : 228,988.06 = 51,463.05 : x - Step 2: Convert to fraction form
152,692.15/228,988.06 = 51,463.05/x - Step 3: Cross multiply
152,692.15x = 228,988.06 × 51,463.05 - Step 4: Simplify right side
152,692.15x = 11,784,423,981.18 - Step 5: Solve for x
x = 11,784,423,981.18/152,692.15 - Step 6: Final answer
x = 77,177.67
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1.5x scale
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.