Finding the Fourth Proportional to 557,670.84, 836,509.08 and 136,946.88
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Solution
The fourth proportional to 557,670.84, 836,509.08 and 136,946.88 is: 205,421.01
Step by Step Solution
- Step 1: Write the proportion equation
557,670.84 : 836,509.08 = 136,946.88 : x - Step 2: Convert to fraction form
557,670.84/836,509.08 = 136,946.88/x - Step 3: Cross multiply
557,670.84x = 836,509.08 × 136,946.88 - Step 4: Simplify right side
557,670.84x = 114,557,308,597.67 - Step 5: Solve for x
x = 114,557,308,597.67/557,670.84 - Step 6: Final answer
x = 205,421.01
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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.