Finding the Fourth Proportional to 369,070.93, 553,781.36 and 219,606.49
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Solution
The fourth proportional to 369,070.93, 553,781.36 and 219,606.49 is: 329,513.84
Step by Step Solution
- Step 1: Write the proportion equation
369,070.93 : 553,781.36 = 219,606.49 : x - Step 2: Convert to fraction form
369,070.93/553,781.36 = 219,606.49/x - Step 3: Cross multiply
369,070.93x = 553,781.36 × 219,606.49 - Step 4: Simplify right side
369,070.93x = 121,613,980,697.03 - Step 5: Solve for x
x = 121,613,980,697.03/369,070.93 - Step 6: Final answer
x = 329,513.84
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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.