Finding the Fourth Proportional to 366,904.30, 549,919.05 and 153,671.80
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Solution
The fourth proportional to 366,904.30, 549,919.05 and 153,671.80 is: 230,324.50
Step by Step Solution
- Step 1: Write the proportion equation
366,904.30 : 549,919.05 = 153,671.80 : x - Step 2: Convert to fraction form
366,904.30/549,919.05 = 153,671.80/x - Step 3: Cross multiply
366,904.30x = 549,919.05 × 153,671.80 - Step 4: Simplify right side
366,904.30x = 84,507,050,267.79 - Step 5: Solve for x
x = 84,507,050,267.79/366,904.30 - Step 6: Final answer
x = 230,324.50
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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.