Finding the Fourth Proportional to 479,656.18, 719,358.98 and 142,606.07
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Solution
The fourth proportional to 479,656.18, 719,358.98 and 142,606.07 is: 213,871.85
Step by Step Solution
- Step 1: Write the proportion equation
479,656.18 : 719,358.98 = 142,606.07 : x - Step 2: Convert to fraction form
479,656.18/719,358.98 = 142,606.07/x - Step 3: Cross multiply
479,656.18x = 719,358.98 × 142,606.07 - Step 4: Simplify right side
479,656.18x = 102,584,955,444.78 - Step 5: Solve for x
x = 102,584,955,444.78/479,656.18 - Step 6: Final answer
x = 213,871.85
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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.