Finding the Fourth Proportional to 457,041.42, 630,718.65 and 250,309.98
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Solution
The fourth proportional to 457,041.42, 630,718.65 and 250,309.98 is: 345,428.59
Step by Step Solution
- Step 1: Write the proportion equation
457,041.42 : 630,718.65 = 250,309.98 : x - Step 2: Convert to fraction form
457,041.42/630,718.65 = 250,309.98/x - Step 3: Cross multiply
457,041.42x = 630,718.65 × 250,309.98 - Step 4: Simplify right side
457,041.42x = 157,875,172,667.13 - Step 5: Solve for x
x = 157,875,172,667.13/457,041.42 - Step 6: Final answer
x = 345,428.59
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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.