Finding the Fourth Proportional to 306,312.21, 459,068.99 and 156,426.17
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Solution
The fourth proportional to 306,312.21, 459,068.99 and 156,426.17 is: 234,435.32
Step by Step Solution
- Step 1: Write the proportion equation
306,312.21 : 459,068.99 = 156,426.17 : x - Step 2: Convert to fraction form
306,312.21/459,068.99 = 156,426.17/x - Step 3: Cross multiply
306,312.21x = 459,068.99 × 156,426.17 - Step 4: Simplify right side
306,312.21x = 71,810,400,793.99 - Step 5: Solve for x
x = 71,810,400,793.99/306,312.21 - Step 6: Final answer
x = 234,435.32
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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.