Finding the Fourth Proportional to 498,829.10, 688,165.48 and 305,246.12
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Solution
The fourth proportional to 498,829.10, 688,165.48 and 305,246.12 is: 421,105.82
Step by Step Solution
- Step 1: Write the proportion equation
498,829.10 : 688,165.48 = 305,246.12 : x - Step 2: Convert to fraction form
498,829.10/688,165.48 = 305,246.12/x - Step 3: Cross multiply
498,829.10x = 688,165.48 × 305,246.12 - Step 4: Simplify right side
498,829.10x = 210,059,838,484.00 - Step 5: Solve for x
x = 210,059,838,484.00/498,829.10 - Step 6: Final answer
x = 421,105.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.