Finding the Fourth Proportional to 403,210.08, 556,419.64 and 219,440.88
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Solution
The fourth proportional to 403,210.08, 556,419.64 and 219,440.88 is: 302,822.82
Step by Step Solution
- Step 1: Write the proportion equation
403,210.08 : 556,419.64 = 219,440.88 : x - Step 2: Convert to fraction form
403,210.08/556,419.64 = 219,440.88/x - Step 3: Cross multiply
403,210.08x = 556,419.64 × 219,440.88 - Step 4: Simplify right side
403,210.08x = 122,101,215,450.88 - Step 5: Solve for x
x = 122,101,215,450.88/403,210.08 - Step 6: Final answer
x = 302,822.82
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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.