Finding the Fourth Proportional to 242,485.04, 334,639.74 and 135,055.10
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Solution
The fourth proportional to 242,485.04, 334,639.74 and 135,055.10 is: 186,381.82
Step by Step Solution
- Step 1: Write the proportion equation
242,485.04 : 334,639.74 = 135,055.10 : x - Step 2: Convert to fraction form
242,485.04/334,639.74 = 135,055.10/x - Step 3: Cross multiply
242,485.04x = 334,639.74 × 135,055.10 - Step 4: Simplify right side
242,485.04x = 45,194,803,549.67 - Step 5: Solve for x
x = 45,194,803,549.67/242,485.04 - Step 6: Final answer
x = 186,381.82
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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.