Finding the Fourth Proportional to 180,312.08, 248,827.59 and 99,739.53
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Solution
The fourth proportional to 180,312.08, 248,827.59 and 99,739.53 is: 137,638.85
Step by Step Solution
- Step 1: Write the proportion equation
180,312.08 : 248,827.59 = 99,739.53 : x - Step 2: Convert to fraction form
180,312.08/248,827.59 = 99,739.53/x - Step 3: Cross multiply
180,312.08x = 248,827.59 × 99,739.53 - Step 4: Simplify right side
180,312.08x = 24,817,946,877.63 - Step 5: Solve for x
x = 24,817,946,877.63/180,312.08 - Step 6: Final answer
x = 137,638.85
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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.