Finding the Fourth Proportional to 539,181.80, 808,772.70 and 239,661.80
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Solution
The fourth proportional to 539,181.80, 808,772.70 and 239,661.80 is: 359,492.70
Step by Step Solution
- Step 1: Write the proportion equation
539,181.80 : 808,772.70 = 239,661.80 : x - Step 2: Convert to fraction form
539,181.80/808,772.70 = 239,661.80/x - Step 3: Cross multiply
539,181.80x = 808,772.70 × 239,661.80 - Step 4: Simplify right side
539,181.80x = 193,831,921,072.86 - Step 5: Solve for x
x = 193,831,921,072.86/539,181.80 - Step 6: Final answer
x = 359,492.70
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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.