Finding the Fourth Proportional to 153,261.12, 211,430.88 and 110,752.32
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Solution
The fourth proportional to 153,261.12, 211,430.88 and 110,752.32 is: 152,788.00
Step by Step Solution
- Step 1: Write the proportion equation
153,261.12 : 211,430.88 = 110,752.32 : x - Step 2: Convert to fraction form
153,261.12/211,430.88 = 110,752.32/x - Step 3: Cross multiply
153,261.12x = 211,430.88 × 110,752.32 - Step 4: Simplify right side
153,261.12x = 23,416,460,479.64 - Step 5: Solve for x
x = 23,416,460,479.64/153,261.12 - Step 6: Final answer
x = 152,788.00
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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.