Finding the Fourth Proportional to 495,958.12, 684,547.73 and 305,142.37
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Solution
The fourth proportional to 495,958.12, 684,547.73 and 305,142.37 is: 421,173.70
Step by Step Solution
- Step 1: Write the proportion equation
495,958.12 : 684,547.73 = 305,142.37 : x - Step 2: Convert to fraction form
495,958.12/684,547.73 = 305,142.37/x - Step 3: Cross multiply
495,958.12x = 684,547.73 × 305,142.37 - Step 4: Simplify right side
495,958.12x = 208,884,516,710.32 - Step 5: Solve for x
x = 208,884,516,710.32/495,958.12 - Step 6: Final answer
x = 421,173.70
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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.