Finding the Fourth Proportional to 319,852.98, 441,423.12 and 183,930.93
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Solution
The fourth proportional to 319,852.98, 441,423.12 and 183,930.93 is: 253,839.64
Step by Step Solution
- Step 1: Write the proportion equation
319,852.98 : 441,423.12 = 183,930.93 : x - Step 2: Convert to fraction form
319,852.98/441,423.12 = 183,930.93/x - Step 3: Cross multiply
319,852.98x = 441,423.12 × 183,930.93 - Step 4: Simplify right side
319,852.98x = 81,191,364,985.10 - Step 5: Solve for x
x = 81,191,364,985.10/319,852.98 - Step 6: Final answer
x = 253,839.64
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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.