Finding the Fourth Proportional to 153,263.33, 211,498.02 and 84,346.34
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Solution
The fourth proportional to 153,263.33, 211,498.02 and 84,346.34 is: 116,394.99
Step by Step Solution
- Step 1: Write the proportion equation
153,263.33 : 211,498.02 = 84,346.34 : x - Step 2: Convert to fraction form
153,263.33/211,498.02 = 84,346.34/x - Step 3: Cross multiply
153,263.33x = 211,498.02 × 84,346.34 - Step 4: Simplify right side
153,263.33x = 17,839,083,904.25 - Step 5: Solve for x
x = 17,839,083,904.25/153,263.33 - Step 6: Final answer
x = 116,394.99
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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.