Finding the Fourth Proportional to 330,763.93, 455,971.08 and 233,796.71
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Solution
The fourth proportional to 330,763.93, 455,971.08 and 233,796.71 is: 322,297.95
Step by Step Solution
- Step 1: Write the proportion equation
330,763.93 : 455,971.08 = 233,796.71 : x - Step 2: Convert to fraction form
330,763.93/455,971.08 = 233,796.71/x - Step 3: Cross multiply
330,763.93x = 455,971.08 × 233,796.71 - Step 4: Simplify right side
330,763.93x = 106,604,538,263.28 - Step 5: Solve for x
x = 106,604,538,263.28/330,763.93 - Step 6: Final answer
x = 322,297.95
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1.5x scale
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.