Finding the Fourth Proportional to 423,903.64, 584,985.36 and 242,614.84
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Solution
The fourth proportional to 423,903.64, 584,985.36 and 242,614.84 is: 334,807.53
Step by Step Solution
- Step 1: Write the proportion equation
423,903.64 : 584,985.36 = 242,614.84 : x - Step 2: Convert to fraction form
423,903.64/584,985.36 = 242,614.84/x - Step 3: Cross multiply
423,903.64x = 584,985.36 × 242,614.84 - Step 4: Simplify right side
423,903.64x = 141,926,129,518.74 - Step 5: Solve for x
x = 141,926,129,518.74/423,903.64 - Step 6: Final answer
x = 334,807.53
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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.