Finding the Fourth Proportional to 318,365.19, 439,334.64 and 175,125.15
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Solution
The fourth proportional to 318,365.19, 439,334.64 and 175,125.15 is: 241,667.58
Step by Step Solution
- Step 1: Write the proportion equation
318,365.19 : 439,334.64 = 175,125.15 : x - Step 2: Convert to fraction form
318,365.19/439,334.64 = 175,125.15/x - Step 3: Cross multiply
318,365.19x = 439,334.64 × 175,125.15 - Step 4: Simplify right side
318,365.19x = 76,938,544,730.20 - Step 5: Solve for x
x = 76,938,544,730.20/318,365.19 - Step 6: Final answer
x = 241,667.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.