Finding the Fourth Proportional to 245,774,216.58, 339,173,418.69 and 134,272,279.37
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Solution
The fourth proportional to 245,774,216.58, 339,173,418.69 and 134,272,279.37 is: 185,298,477.05
Step by Step Solution
- Step 1: Write the proportion equation
245,774,216.58 : 339,173,418.69 = 134,272,279.37 : x - Step 2: Convert to fraction form
245,774,216.58/339,173,418.69 = 134,272,279.37/x - Step 3: Cross multiply
245,774,216.58x = 339,173,418.69 × 134,272,279.37 - Step 4: Simplify right side
245,774,216.58x = 45,541,588,029,221,664 - Step 5: Solve for x
x = 45,541,588,029,221,664/245,774,216.58 - Step 6: Final answer
x = 185,298,477.05
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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.