Finding the Fourth Proportional to 156,312.19, 234,420.40 and 56,460.07
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Solution
The fourth proportional to 156,312.19, 234,420.40 and 56,460.07 is: 84,672.80
Step by Step Solution
- Step 1: Write the proportion equation
156,312.19 : 234,420.40 = 56,460.07 : x - Step 2: Convert to fraction form
156,312.19/234,420.40 = 56,460.07/x - Step 3: Cross multiply
156,312.19x = 234,420.40 × 56,460.07 - Step 4: Simplify right side
156,312.19x = 13,235,390,739.03 - Step 5: Solve for x
x = 13,235,390,739.03/156,312.19 - Step 6: Final answer
x = 84,672.80
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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.