Finding the Fourth Proportional to 147,811.02, 221,688.86 and 47,972.08
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Solution
The fourth proportional to 147,811.02, 221,688.86 and 47,972.08 is: 71,949.14
Step by Step Solution
- Step 1: Write the proportion equation
147,811.02 : 221,688.86 = 47,972.08 : x - Step 2: Convert to fraction form
147,811.02/221,688.86 = 47,972.08/x - Step 3: Cross multiply
147,811.02x = 221,688.86 × 47,972.08 - Step 4: Simplify right side
147,811.02x = 10,634,875,727.03 - Step 5: Solve for x
x = 10,634,875,727.03/147,811.02 - Step 6: Final answer
x = 71,949.14
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1.5x scale
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.