Finding the Fourth Proportional to 316,973.08, 475,304.09 and 156,864.03
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Solution
The fourth proportional to 316,973.08, 475,304.09 and 156,864.03 is: 235,219.07
Step by Step Solution
- Step 1: Write the proportion equation
316,973.08 : 475,304.09 = 156,864.03 : x - Step 2: Convert to fraction form
316,973.08/475,304.09 = 156,864.03/x - Step 3: Cross multiply
316,973.08x = 475,304.09 × 156,864.03 - Step 4: Simplify right side
316,973.08x = 74,558,112,466.17 - Step 5: Solve for x
x = 74,558,112,466.17/316,973.08 - Step 6: Final answer
x = 235,219.07
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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.