Finding the Fourth Proportional to 472,798.71, 652,439.48 and 257,925.96
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Solution
The fourth proportional to 472,798.71, 652,439.48 and 257,925.96 is: 355,925.42
Step by Step Solution
- Step 1: Write the proportion equation
472,798.71 : 652,439.48 = 257,925.96 : x - Step 2: Convert to fraction form
472,798.71/652,439.48 = 257,925.96/x - Step 3: Cross multiply
472,798.71x = 652,439.48 × 257,925.96 - Step 4: Simplify right side
472,798.71x = 168,281,077,931.27 - Step 5: Solve for x
x = 168,281,077,931.27/472,798.71 - Step 6: Final answer
x = 355,925.42
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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.