Finding the Fourth Proportional to 492,927.74, 739,482.95 and 156,053.19
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Solution
The fourth proportional to 492,927.74, 739,482.95 and 156,053.19 is: 234,108.70
Step by Step Solution
- Step 1: Write the proportion equation
492,927.74 : 739,482.95 = 156,053.19 : x - Step 2: Convert to fraction form
492,927.74/739,482.95 = 156,053.19/x - Step 3: Cross multiply
492,927.74x = 739,482.95 × 156,053.19 - Step 4: Simplify right side
492,927.74x = 115,398,673,298.11 - Step 5: Solve for x
x = 115,398,673,298.11/492,927.74 - Step 6: Final answer
x = 234,108.70
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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.