Finding the Fourth Proportional to 470,784.61, 649,686.99 and 255,925.09
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Solution
The fourth proportional to 470,784.61, 649,686.99 and 255,925.09 is: 353,178.92
Step by Step Solution
- Step 1: Write the proportion equation
470,784.61 : 649,686.99 = 255,925.09 : x - Step 2: Convert to fraction form
470,784.61/649,686.99 = 255,925.09/x - Step 3: Cross multiply
470,784.61x = 649,686.99 × 255,925.09 - Step 4: Simplify right side
470,784.61x = 166,271,201,387.58 - Step 5: Solve for x
x = 166,271,201,387.58/470,784.61 - Step 6: Final answer
x = 353,178.92
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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.