Finding the Fourth Proportional to 245,774,215.33, 339,173,417 and 134,272,278.12
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Solution
The fourth proportional to 245,774,215.33, 339,173,417 and 134,272,278.12 is: 185,298,475.34
Step by Step Solution
- Step 1: Write the proportion equation
245,774,215.33 : 339,173,417 = 134,272,278.12 : x - Step 2: Convert to fraction form
245,774,215.33/339,173,417 = 134,272,278.12/x - Step 3: Cross multiply
245,774,215.33x = 339,173,417 × 134,272,278.12 - Step 4: Simplify right side
245,774,215.33x = 45,541,587,378,334,736 - Step 5: Solve for x
x = 45,541,587,378,334,736/245,774,215.33 - Step 6: Final answer
x = 185,298,475.34
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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.